258611829923 has 2 divisors, whose sum is σ = 258611829924. Its totient is φ = 258611829922.

The previous prime is 258611829919. The next prime is 258611829947. The reversal of 258611829923 is 329928116852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258611829923 - 2² = 258611829919 is a prime.

It is a super-2 number, since 2×258611829923² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258611829523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129305914961 + 129305914962.

It is an arithmetic number, because the mean of its divisors is an integer number (129305914962).

Almost surely, 2^258611829923 is an apocalyptic number.

258611829923 is a deficient number, since it is larger than the sum of its proper divisors (1).

258611829923 is an equidigital number, since it uses as much as digits as its factorization.

258611829923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 56.

The spelling of 258611829923 in words is "two hundred fifty-eight billion, six hundred eleven million, eight hundred twenty-nine thousand, nine hundred twenty-three".