258090270693 has 64 divisors (see below), whose sum is σ = 379768227840. Its totient is φ = 155199283200.

The previous prime is 258090270689. The next prime is 258090270701. The reversal of 258090270693 is 396072090852.

It is not a de Polignac number, because 258090270693 - 2² = 258090270689 is a prime.

It is a super-2 number, since 2×258090270693² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258090271693) 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 63 ways as a sum of consecutive naturals, for example, 110246703 + ... + 110249043.

It is an arithmetic number, because the mean of its divisors is an integer number (5933878560).

Almost surely, 2^258090270693 is an apocalyptic number.

It is an amenable number.

258090270693 is a deficient number, since it is larger than the sum of its proper divisors (121677957147).

258090270693 is a wasteful number, since it uses less digits than its factorization.

258090270693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 258090270693 in words is "two hundred fifty-eight billion, ninety million, two hundred seventy thousand, six hundred ninety-three".