9613151538 has 8 divisors (see below), whose sum is σ = 19226303088. Its totient is φ = 3204383844.

The previous prime is 9613151531. The next prime is 9613151557. The reversal of 9613151538 is 8351513169.

It is a sphenic number, since it is the product of 3 distinct primes.

9613151538 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 9613151538.

It is not an unprimeable number, because it can be changed into a prime (9613151531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801095956 + ... + 801095967.

It is an arithmetic number, because the mean of its divisors is an integer number (2403287886).

Almost surely, 2^9613151538 is an apocalyptic number.

9613151538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9613151538 is a wasteful number, since it uses less digits than its factorization.

9613151538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602191928.

The product of its digits is 97200, while the sum is 42.

The square root of 9613151538 is about 98046.6804027551. The cubic root of 9613151538 is about 2126.2872229098.

The spelling of 9613151538 in words is "nine billion, six hundred thirteen million, one hundred fifty-one thousand, five hundred thirty-eight".