9618987645670 has 32 divisors (see below), whose sum is σ = 19042761806208. Its totient is φ = 3476059690368.

The previous prime is 9618987645637. The next prime is 9618987645689. The reversal of 9618987645670 is 765467898169.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787145089 + ... + 787157308.

It is an arithmetic number, because the mean of its divisors is an integer number (595086306444).

Almost surely, 2^{9618987645670} is an apocalyptic number.

9618987645670 is a deficient number, since it is larger than the sum of its proper divisors (9423774160538).

9618987645670 is a wasteful number, since it uses less digits than its factorization.

9618987645670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574302464.

The product of its (nonzero) digits is 1097349120, while the sum is 76.

The spelling of 9618987645670 in words is "nine trillion, six hundred eighteen billion, nine hundred eighty-seven million, six hundred forty-five thousand, six hundred seventy".