9315105642 has 48 divisors (see below), whose sum is σ = 21256928160. Its totient is φ = 2939957856.

The previous prime is 9315105637. The next prime is 9315105671. The reversal of 9315105642 is 2465015139.

9315105642 is a `hidden beast` number, since 9 + 3 + 1 + 5 + 1 + 0 + 5 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 9315105597 and 9315105606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 695493 + ... + 708759.

It is an arithmetic number, because the mean of its divisors is an integer number (442852670).

Almost surely, 2^9315105642 is an apocalyptic number.

9315105642 is an abundant number, since it is smaller than the sum of its proper divisors (11941822518).

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

9315105642 is a wasteful number, since it uses less digits than its factorization.

9315105642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15347 (or 15344 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 9315105642 is about 96514.7949383927. The cubic root of 9315105642 is about 2104.0816791639.

The spelling of 9315105642 in words is "nine billion, three hundred fifteen million, one hundred five thousand, six hundred forty-two".