9953213165 has 32 divisors (see below), whose sum is σ = 13927866624. Its totient is φ = 6687590400.

The previous prime is 9953213147. The next prime is 9953213191. The reversal of 9953213165 is 5613123599.

It is not a de Polignac number, because 9953213165 - 2¹⁰ = 9953212141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328382 + ... + 357408.

It is an arithmetic number, because the mean of its divisors is an integer number (435245832).

Almost surely, 2^9953213165 is an apocalyptic number.

It is an amenable number.

9953213165 is a deficient number, since it is larger than the sum of its proper divisors (3974653459).

9953213165 is a wasteful number, since it uses less digits than its factorization.

9953213165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29237.

The product of its digits is 218700, while the sum is 44.

The square root of 9953213165 is about 99765.7915570262. The cubic root of 9953213165 is about 2151.0694636073.

The spelling of 9953213165 in words is "nine billion, nine hundred fifty-three million, two hundred thirteen thousand, one hundred sixty-five".