258090270692 has 6 divisors (see below), whose sum is σ = 451657973718. Its totient is φ = 129045135344.

The previous prime is 258090270689. The next prime is 258090270701. The reversal of 258090270692 is 296072090852.

It can be written as a sum of positive squares in only one way, i.e., 174503365696 + 83586904996 = 417736^2 + 289114^2 .

It is a super-2 number, since 2×258090270692² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258090270692.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32261283833 + ... + 32261283840.

It is an arithmetic number, because the mean of its divisors is an integer number (75276328953).

Almost surely, 2^258090270692 is an apocalyptic number.

It is an amenable number.

258090270692 is a deficient number, since it is larger than the sum of its proper divisors (193567703026).

258090270692 is a wasteful number, since it uses less digits than its factorization.

258090270692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64522567677 (or 64522567675 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 258090270692 in words is "two hundred fifty-eight billion, ninety million, two hundred seventy thousand, six hundred ninety-two".