9937497969 has 81 divisors (see below), whose sum is σ = 17231118411. Its totient is φ = 5502722400.

The previous prime is 9937497923. The next prime is 9937498007. The reversal of 9937497969 is 9697947399.

The square root of 9937497969 is 99687.

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., 9547830369 + 389667600 = 97713^2 + 19740^2 .

It is not a de Polignac number, because 9937497969 - 2⁹ = 9937497457 is a prime.

It is a super-2 number, since 2×9937497969² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9937497897 and 9937497906.

It is not an unprimeable number, because it can be changed into a prime (9937497469) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 98391019 + ... + 98391119.

Almost surely, 2^9937497969 is an apocalyptic number.

9937497969 is the 99687-th square number.

9937497969 is the 49844-th centered octagonal number.

It is an amenable number.

9937497969 is a deficient number, since it is larger than the sum of its proper divisors (7293620442).

9937497969 is a wasteful number, since it uses less digits than its factorization.

9937497969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 158 counting only the distinct ones).

The product of its digits is 208324872, while the sum is 72.

The cubic root of 9937497969 is about 2149.9367545124.

The spelling of 9937497969 in words is "nine billion, nine hundred thirty-seven million, four hundred ninety-seven thousand, nine hundred sixty-nine".