258391238062951 has 16 divisors (see below), whose sum is σ = 301597322148864. Its totient is φ = 216758728386144.

The previous prime is 258391238062939. The next prime is 258391238062957. The reversal of 258391238062951 is 159260832193852.

It is not a de Polignac number, because 258391238062951 - 2³³ = 258382648128359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258391238062957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3027025 + ... + 22933498.

It is an arithmetic number, because the mean of its divisors is an integer number (18849832634304).

Almost surely, 2^{258391238062951} is an apocalyptic number.

258391238062951 is a deficient number, since it is larger than the sum of its proper divisors (43206084085913).

258391238062951 is a wasteful number, since it uses less digits than its factorization.

258391238062951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25990830.

The product of its (nonzero) digits is 55987200, while the sum is 64.

The spelling of 258391238062951 in words is "two hundred fifty-eight trillion, three hundred ninety-one billion, two hundred thirty-eight million, sixty-two thousand, nine hundred fifty-one".