190039717970 has 32 divisors (see below), whose sum is σ = 348555778560. Its totient is φ = 74587976320.

The previous prime is 190039717951. The next prime is 190039718003. The reversal of 190039717970 is 79717930091.

It is a super-2 number, since 2×190039717970² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698402 + ... + 931581.

It is an arithmetic number, because the mean of its divisors is an integer number (10892368080).

Almost surely, 2^190039717970 is an apocalyptic number.

190039717970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190039717970 is a deficient number, since it is larger than the sum of its proper divisors (158516060590).

190039717970 is a wasteful number, since it uses less digits than its factorization.

190039717970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630210.

The product of its (nonzero) digits is 750141, while the sum is 53.

The spelling of 190039717970 in words is "one hundred ninety billion, thirty-nine million, seven hundred seventeen thousand, nine hundred seventy".