238359907613 has 2 divisors, whose sum is σ = 238359907614. Its totient is φ = 238359907612.

The previous prime is 238359907537. The next prime is 238359907633. The reversal of 238359907613 is 316709953832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221542486489 + 16817421124 = 470683^2 + 129682^2 .

It is a cyclic number.

It is not a de Polignac number, because 238359907613 - 2²⁶ = 238292798749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238359907633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119179953806 + 119179953807.

It is an arithmetic number, because the mean of its divisors is an integer number (119179953807).

Almost surely, 2^238359907613 is an apocalyptic number.

It is an amenable number.

238359907613 is a deficient number, since it is larger than the sum of its proper divisors (1).

238359907613 is an equidigital number, since it uses as much as digits as its factorization.

238359907613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 238359907613 in words is "two hundred thirty-eight billion, three hundred fifty-nine million, nine hundred seven thousand, six hundred thirteen".