9153969538 has 32 divisors (see below), whose sum is σ = 16242508800. Its totient is φ = 3785780544.

The previous prime is 9153969533. The next prime is 9153969551. The reversal of 9153969538 is 8359693519.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (9153969533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903183 + ... + 913261.

It is an arithmetic number, because the mean of its divisors is an integer number (507578400).

Almost surely, 2^9153969538 is an apocalyptic number.

9153969538 is a deficient number, since it is larger than the sum of its proper divisors (7088539262).

9153969538 is a wasteful number, since it uses less digits than its factorization.

9153969538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12354.

The product of its digits is 7873200, while the sum is 58.

The square root of 9153969538 is about 95676.3792061552. The cubic root of 9153969538 is about 2091.8786507085.

The spelling of 9153969538 in words is "nine billion, one hundred fifty-three million, nine hundred sixty-nine thousand, five hundred thirty-eight".