389129812079 has 2 divisors, whose sum is σ = 389129812080. Its totient is φ = 389129812078.

The previous prime is 389129812013. The next prime is 389129812103. The reversal of 389129812079 is 970218921983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389129812079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389129815079) by changing a digit.

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 as a sum of consecutive naturals, namely, 194564906039 + 194564906040.

It is an arithmetic number, because the mean of its divisors is an integer number (194564906040).

Almost surely, 2^389129812079 is an apocalyptic number.

389129812079 is a deficient number, since it is larger than the sum of its proper divisors (1).

389129812079 is an equidigital number, since it uses as much as digits as its factorization.

389129812079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 59.

The spelling of 389129812079 in words is "three hundred eighty-nine billion, one hundred twenty-nine million, eight hundred twelve thousand, seventy-nine".