9353400738889 has 9 divisors (see below), whose sum is σ = 9777825156589. Its totient is φ = 8946663858220.

The previous prime is 9353400738881. The next prime is 9353400738893. The reversal of 9353400738889 is 9888370043539.

The square root of 9353400738889 is 3058333.

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

It is not a de Polignac number, because 9353400738889 - 2³ = 9353400738881 is a prime.

It is a super-2 number, since 2×9353400738889² (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 (9353400738881) 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, 70275174 + ... + 70408144.

Almost surely, 2^{9353400738889} is an apocalyptic number.

9353400738889 is the 3058333-rd square number.

9353400738889 is the 1529167-th centered octagonal number.

It is an amenable number.

9353400738889 is a deficient number, since it is larger than the sum of its proper divisors (424424417700).

9353400738889 is an frugal number, since it uses more digits than its factorization.

9353400738889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265988 (or 132994 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 9353400738889 in words is "nine trillion, three hundred fifty-three billion, four hundred million, seven hundred thirty-eight thousand, eight hundred eighty-nine".