238946445919 has 2 divisors, whose sum is σ = 238946445920. Its totient is φ = 238946445918.

The previous prime is 238946445883. The next prime is 238946445923. The reversal of 238946445919 is 919544649832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238946445919 - 2⁷ = 238946445791 is a prime.

It is a super-2 number, since 2×238946445919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238946445929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119473222959 + 119473222960.

It is an arithmetic number, because the mean of its divisors is an integer number (119473222960).

Almost surely, 2^238946445919 is an apocalyptic number.

238946445919 is a deficient number, since it is larger than the sum of its proper divisors (1).

238946445919 is an equidigital number, since it uses as much as digits as its factorization.

238946445919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67184640, while the sum is 64.

The spelling of 238946445919 in words is "two hundred thirty-eight billion, nine hundred forty-six million, four hundred forty-five thousand, nine hundred nineteen".