9369121398 has 64 divisors (see below), whose sum is σ = 23075351040. Its totient is φ = 2469595392.

The previous prime is 9369121397. The next prime is 9369121429. The reversal of 9369121398 is 8931219639.

It is a happy number.

It is a super-2 number, since 2×9369121398² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9369121398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9369121397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1294233 + ... + 1301451.

It is an arithmetic number, because the mean of its divisors is an integer number (360552360).

Almost surely, 2^9369121398 is an apocalyptic number.

9369121398 is an abundant number, since it is smaller than the sum of its proper divisors (13706229642).

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

9369121398 is a wasteful number, since it uses less digits than its factorization.

9369121398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9621.

The product of its digits is 629856, while the sum is 51.

The square root of 9369121398 is about 96794.2219246583. The cubic root of 9369121398 is about 2108.1408417732.

The spelling of 9369121398 in words is "nine billion, three hundred sixty-nine million, one hundred twenty-one thousand, three hundred ninety-eight".