238399989151 has 2 divisors, whose sum is σ = 238399989152. Its totient is φ = 238399989150.

The previous prime is 238399989133. The next prime is 238399989173. The reversal of 238399989151 is 151989993832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238399989151 - 2⁵ = 238399989119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238399989251) 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, 119199994575 + 119199994576.

It is an arithmetic number, because the mean of its divisors is an integer number (119199994576).

Almost surely, 2^238399989151 is an apocalyptic number.

238399989151 is a deficient number, since it is larger than the sum of its proper divisors (1).

238399989151 is an equidigital number, since it uses as much as digits as its factorization.

238399989151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37791360, while the sum is 67.

The spelling of 238399989151 in words is "two hundred thirty-eight billion, three hundred ninety-nine million, nine hundred eighty-nine thousand, one hundred fifty-one".