258551958603 has 4 divisors (see below), whose sum is σ = 344735944808. Its totient is φ = 172367972400.

The previous prime is 258551958589. The next prime is 258551958611. The reversal of 258551958603 is 306859155852.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 258551958603 - 2²⁶ = 258484849739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258551958503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43091993098 + ... + 43091993103.

It is an arithmetic number, because the mean of its divisors is an integer number (86183986202).

Almost surely, 2^258551958603 is an apocalyptic number.

258551958603 is a deficient number, since it is larger than the sum of its proper divisors (86183986205).

258551958603 is an equidigital number, since it uses as much as digits as its factorization.

258551958603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86183986204.

The product of its (nonzero) digits is 12960000, while the sum is 57.

The spelling of 258551958603 in words is "two hundred fifty-eight billion, five hundred fifty-one million, nine hundred fifty-eight thousand, six hundred three".