2170989368 has 16 divisors (see below), whose sum is σ = 4071903000. Its totient is φ = 1085148576.

The previous prime is 2170989341. The next prime is 2170989377. The reversal of 2170989368 is 8639890712.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15563 + ... + 67706.

Almost surely, 2^2170989368 is an apocalyptic number.

It is an amenable number.

2170989368 is a deficient number, since it is larger than the sum of its proper divisors (1900913632).

2170989368 is a wasteful number, since it uses less digits than its factorization.

2170989368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86534 (or 86530 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 2170989368 is about 46593.8769367822. The cubic root of 2170989368 is about 1294.8493174508.

The spelling of 2170989368 in words is "two billion, one hundred seventy million, nine hundred eighty-nine thousand, three hundred sixty-eight".