18974662970 has 16 divisors (see below), whose sum is σ = 34622263080. Its totient is φ = 7485894144.

The previous prime is 18974662943. The next prime is 18974662991. The reversal of 18974662970 is 7926647981.

It can be written as a sum of positive squares in 4 ways, for example, as 14827689361 + 4146973609 = 121769^2 + 64397^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12995615 + ... + 12997074.

Almost surely, 2^18974662970 is an apocalyptic number.

18974662970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18974662970 is a deficient number, since it is larger than the sum of its proper divisors (15647600110).

18974662970 is a wasteful number, since it uses less digits than its factorization.

18974662970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25992769.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 18974662970 in words is "eighteen billion, nine hundred seventy-four million, six hundred sixty-two thousand, nine hundred seventy".