4663479121081 has 27 divisors (see below), whose sum is σ = 5238610822767. Its totient is φ = 4148330408640.

The previous prime is 4663479120983. The next prime is 4663479121087. The reversal of 4663479121081 is 1801219743664.

The square root of 4663479121081 is 2159509.

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

It can be written as a sum of positive squares in only one way, i.e., 4308758820025 + 354720301056 = 2075755^2 + 595584^2 .

It is not a de Polignac number, because 4663479121081 - 2¹³ = 4663479112889 is a prime.

It is a super-2 number, since 2×4663479121081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4663479121087) 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, 1116464065 + ... + 1116468241.

Almost surely, 2^{4663479121081} is an apocalyptic number.

4663479121081 is the 2159509-th square number.

4663479121081 is the 1079755-th centered octagonal number.

It is an amenable number.

4663479121081 is a deficient number, since it is larger than the sum of its proper divisors (575131701686).

4663479121081 is an frugal number, since it uses more digits than its factorization.

4663479121081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 4663479121081 in words is "four trillion, six hundred sixty-three billion, four hundred seventy-nine million, one hundred twenty-one thousand, eighty-one".