258215694495 has 64 divisors (see below), whose sum is σ = 454941646848. Its totient is φ = 124023312000.

The previous prime is 258215694491. The next prime is 258215694563. The reversal of 258215694495 is 594496512852.

It is not a de Polignac number, because 258215694495 - 2² = 258215694491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258215694491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8348910 + ... + 8379780.

It is an arithmetic number, because the mean of its divisors is an integer number (7108463232).

Almost surely, 2^258215694495 is an apocalyptic number.

258215694495 is a deficient number, since it is larger than the sum of its proper divisors (196725952353).

258215694495 is a wasteful number, since it uses less digits than its factorization.

258215694495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31364.

The product of its digits is 31104000, while the sum is 60.

The spelling of 258215694495 in words is "two hundred fifty-eight billion, two hundred fifteen million, six hundred ninety-four thousand, four hundred ninety-five".