389881424227 has 2 divisors, whose sum is σ = 389881424228. Its totient is φ = 389881424226.

The previous prime is 389881424213. The next prime is 389881424243. The reversal of 389881424227 is 722424188983.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389881424227 is a prime.

It is not a weakly prime, because it can be changed into another prime (389881424627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194940712113 + 194940712114.

It is an arithmetic number, because the mean of its divisors is an integer number (194940712114).

Almost surely, 2^389881424227 is an apocalyptic number.

389881424227 is a deficient number, since it is larger than the sum of its proper divisors (1).

389881424227 is an equidigital number, since it uses as much as digits as its factorization.

389881424227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12386304, while the sum is 58.

The spelling of 389881424227 in words is "three hundred eighty-nine billion, eight hundred eighty-one million, four hundred twenty-four thousand, two hundred twenty-seven".