9925568337169 has 9 divisors (see below), whose sum is σ = 9946300730491. Its totient is φ = 9904879089040.

The previous prime is 9925568337121. The next prime is 9925568337197. The reversal of 9925568337169 is 9617338655299.

The square root of 9925568337169 is 3150487.

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

9925568337169 is digitally balanced in base 2, 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 only one way, i.e., 2846350274769 + 7079218062400 = 1687113^2 + 2660680^2 .

It is not a de Polignac number, because 9925568337169 - 2³³ = 9916978402577 is a prime.

It is a super-2 number, since 2×9925568337169² (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 (9925568347169) 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, 1641400704 + ... + 1641406750.

Almost surely, 2^{9925568337169} is an apocalyptic number.

9925568337169 is the 3150487-th square number.

9925568337169 is the 1575244-th centered octagonal number.

It is an amenable number.

9925568337169 is a deficient number, since it is larger than the sum of its proper divisors (20732393322).

9925568337169 is an frugal number, since it uses more digits than its factorization.

9925568337169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13136 (or 6568 counting only the distinct ones).

The product of its digits is 661348800, while the sum is 73.

The spelling of 9925568337169 in words is "nine trillion, nine hundred twenty-five billion, five hundred sixty-eight million, three hundred thirty-seven thousand, one hundred sixty-nine".