188924321913 has 8 divisors (see below), whose sum is σ = 253737775968. Its totient is φ = 125030207904.

The previous prime is 188924321903. The next prime is 188924321917. The reversal of 188924321913 is 319123429881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 188924321913 - 2⁹ = 188924321401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (188924321917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229834531 + ... + 229835352.

It is an arithmetic number, because the mean of its divisors is an integer number (31717221996).

Almost surely, 2^188924321913 is an apocalyptic number.

It is an amenable number.

188924321913 is a deficient number, since it is larger than the sum of its proper divisors (64813454055).

188924321913 is a wasteful number, since it uses less digits than its factorization.

188924321913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459670023.

The product of its digits is 746496, while the sum is 51.

The spelling of 188924321913 in words is "one hundred eighty-eight billion, nine hundred twenty-four million, three hundred twenty-one thousand, nine hundred thirteen".