258516303615923 has 2 divisors, whose sum is σ = 258516303615924. Its totient is φ = 258516303615922.

The previous prime is 258516303615847. The next prime is 258516303615953. The reversal of 258516303615923 is 329516303615852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258516303615923 - 2³⁸ = 258241425708979 is a prime.

It is not a weakly prime, because it can be changed into another prime (258516303615953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129258151807961 + 129258151807962.

It is an arithmetic number, because the mean of its divisors is an integer number (129258151807962).

Almost surely, 2^{258516303615923} is an apocalyptic number.

258516303615923 is a deficient number, since it is larger than the sum of its proper divisors (1).

258516303615923 is an equidigital number, since it uses as much as digits as its factorization.

258516303615923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 258516303615923 in words is "two hundred fifty-eight trillion, five hundred sixteen billion, three hundred three million, six hundred fifteen thousand, nine hundred twenty-three".