9115898969924 has 24 divisors (see below), whose sum is σ = 16901722729080. Its totient is φ = 4287168608256.

The previous prime is 9115898969923. The next prime is 9115898969963. The reversal of 9115898969924 is 4299698985119.

It can be written as a sum of positive squares in 4 ways, for example, as 6343940363524 + 2771958606400 = 2518718^2 + 1664920^2 .

It is a super-2 number, since 2×9115898969924² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9115898969921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41549177 + ... + 41768000.

It is an arithmetic number, because the mean of its divisors is an integer number (704238447045).

Almost surely, 2^{9115898969924} is an apocalyptic number.

It is an amenable number.

9115898969924 is a deficient number, since it is larger than the sum of its proper divisors (7785823759156).

9115898969924 is a wasteful number, since it uses less digits than its factorization.

9115898969924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83318807 (or 83318805 counting only the distinct ones).

The product of its digits is 906992640, while the sum is 80.

The spelling of 9115898969924 in words is "nine trillion, one hundred fifteen billion, eight hundred ninety-eight million, nine hundred sixty-nine thousand, nine hundred twenty-four".