258450910851 has 16 divisors (see below), whose sum is σ = 393844598784. Its totient is φ = 147680745024.

The previous prime is 258450910831. The next prime is 258450910871. The reversal of 258450910851 is 158019054852.

It is an interprime number because it is at equal distance from previous prime (258450910831) and next prime (258450910871).

It is not a de Polignac number, because 258450910851 - 2⁵ = 258450910819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258450910851.

It is not an unprimeable number, because it can be changed into a prime (258450910831) 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, 388375 + ... + 817151.

It is an arithmetic number, because the mean of its divisors is an integer number (24615287424).

Almost surely, 2^258450910851 is an apocalyptic number.

258450910851 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

258450910851 is a deficient number, since it is larger than the sum of its proper divisors (135393687933).

258450910851 is a wasteful number, since it uses less digits than its factorization.

258450910851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457490.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 258450910851 in words is "two hundred fifty-eight billion, four hundred fifty million, nine hundred ten thousand, eight hundred fifty-one".