4909521473536 has 117 divisors (see below), whose sum is σ = 9954987720811. Its totient is φ = 2420939620352.

The previous prime is 4909521473531. The next prime is 4909521473539. The reversal of 4909521473536 is 6353741259094.

The square root of 4909521473536 is 2215744.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1610503131136 + 3299018342400 = 1269056^2 + 1816320^2 .

It is a super-2 number, since 2×4909521473536² (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 (4909521473531) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12620877630 + ... + 12620878018.

Almost surely, 2^{4909521473536} is an apocalyptic number.

4909521473536 is the 2215744-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4909521473536

4909521473536 is an abundant number, since it is smaller than the sum of its proper divisors (5045466247275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4909521473536 is an frugal number, since it uses more digits than its factorization.

4909521473536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 4909521473536 in words is "four trillion, nine hundred nine billion, five hundred twenty-one million, four hundred seventy-three thousand, five hundred thirty-six".