258090270691 has 16 divisors (see below), whose sum is σ = 300960188928. Its totient is φ = 218952500800.

The previous prime is 258090270689. The next prime is 258090270701. The reversal of 258090270691 is 196072090852.

It is not a de Polignac number, because 258090270691 - 2¹ = 258090270689 is a prime.

It is a super-2 number, since 2×258090270691² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258090270601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12430111 + ... + 12450856.

It is an arithmetic number, because the mean of its divisors is an integer number (18810011808).

Almost surely, 2^258090270691 is an apocalyptic number.

258090270691 is a deficient number, since it is larger than the sum of its proper divisors (42869918237).

258090270691 is a wasteful number, since it uses less digits than its factorization.

258090270691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24881042.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 258090270691 in words is "two hundred fifty-eight billion, ninety million, two hundred seventy thousand, six hundred ninety-one".