389729519 has 2 divisors, whose sum is σ = 389729520. Its totient is φ = 389729518.

The previous prime is 389729513. The next prime is 389729537. The reversal of 389729519 is 915927983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389729519 - 2²⁴ = 372952303 is a prime.

It is a super-2 number, since 2×389729519² = 303778195959942722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389729513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194864759 + 194864760.

It is an arithmetic number, because the mean of its divisors is an integer number (194864760).

Almost surely, 2^389729519 is an apocalyptic number.

389729519 is a deficient number, since it is larger than the sum of its proper divisors (1).

389729519 is an equidigital number, since it uses as much as digits as its factorization.

389729519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 53.

The square root of 389729519 is about 19741.5683014293. The cubic root of 389729519 is about 730.4454146671.

The spelling of 389729519 in words is "three hundred eighty-nine million, seven hundred twenty-nine thousand, five hundred nineteen".