8908499753521 has 9 divisors (see below), whose sum is σ = 9205236352299. Its totient is φ = 8621039252400.

The previous prime is 8908499753479. The next prime is 8908499753591. The reversal of 8908499753521 is 1253579948098.

The square root of 8908499753521 is 2984711.

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., 4064098753521 + 4844401000000 = 2015961^2 + 2201000^2 .

It is not a de Polignac number, because 8908499753521 - 2⁹ = 8908499753009 is a prime.

It is a super-2 number, since 2×8908499753521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8908499753591) 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, 92477901 + ... + 92574181.

Almost surely, 2^{8908499753521} is an apocalyptic number.

8908499753521 is the 2984711-st square number.

8908499753521 is the 1492356-th centered octagonal number.

It is an amenable number.

8908499753521 is a deficient number, since it is larger than the sum of its proper divisors (296736598778).

8908499753521 is an frugal number, since it uses more digits than its factorization.

8908499753521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192624 (or 96312 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 70.

The spelling of 8908499753521 in words is "eight trillion, nine hundred eight billion, four hundred ninety-nine million, seven hundred fifty-three thousand, five hundred twenty-one".