189679453827 has 32 divisors (see below), whose sum is σ = 274089100032. Its totient is φ = 116213336064.

The previous prime is 189679453801. The next prime is 189679453849. The reversal of 189679453827 is 728354976981.

It is not a de Polignac number, because 189679453827 - 2⁸ = 189679453571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189679453927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9149808 + ... + 9170514.

It is an arithmetic number, because the mean of its divisors is an integer number (8565284376).

Almost surely, 2^189679453827 is an apocalyptic number.

189679453827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

189679453827 is a deficient number, since it is larger than the sum of its proper divisors (84409646205).

189679453827 is a wasteful number, since it uses less digits than its factorization.

189679453827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24947.

The product of its digits is 182891520, while the sum is 69.

The spelling of 189679453827 in words is "one hundred eighty-nine billion, six hundred seventy-nine million, four hundred fifty-three thousand, eight hundred twenty-seven".