389919151 has 2 divisors, whose sum is σ = 389919152. Its totient is φ = 389919150.

The previous prime is 389919139. The next prime is 389919217. The reversal of 389919151 is 151919983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389919151 - 2²¹ = 387821999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389916151) 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, 194959575 + 194959576.

It is an arithmetic number, because the mean of its divisors is an integer number (194959576).

Almost surely, 2^389919151 is an apocalyptic number.

389919151 is a deficient number, since it is larger than the sum of its proper divisors (1).

389919151 is an equidigital number, since it uses as much as digits as its factorization.

389919151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 46.

The square root of 389919151 is about 19746.3705779062. The cubic root of 389919151 is about 730.5638672162.

The spelling of 389919151 in words is "three hundred eighty-nine million, nine hundred nineteen thousand, one hundred fifty-one".