4470733876921 has 27 divisors (see below), whose sum is σ = 4963296941613. Its totient is φ = 4025161932480.

The previous prime is 4470733876919. The next prime is 4470733876927. The reversal of 4470733876921 is 1296783370744.

It is a happy number.

The square root of 4470733876921 is 2114411.

It is a perfect power (a square), and thus also a powerful number.

4470733876921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2977850666025 + 1492883210896 = 1725645^2 + 1221836^2 .

It is not a de Polignac number, because 4470733876921 - 2¹ = 4470733876919 is a prime.

It is a super-2 number, since 2×4470733876921² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4470733876921.

It is not an unprimeable number, because it can be changed into a prime (4470733876927) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1126979080 + ... + 1126983046.

Almost surely, 2^{4470733876921} is an apocalyptic number.

4470733876921 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4470733876921 is the 2114411-st square number.

4470733876921 is the 1057206-th centered octagonal number.

It is an amenable number.

4470733876921 is a deficient number, since it is larger than the sum of its proper divisors (492563064692).

4470733876921 is an frugal number, since it uses more digits than its factorization.

4470733876921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8042 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 61.

The spelling of 4470733876921 in words is "four trillion, four hundred seventy billion, seven hundred thirty-three million, eight hundred seventy-six thousand, nine hundred twenty-one".