258946649852 has 24 divisors (see below), whose sum is σ = 495499721472. Its totient is φ = 117429921200.

The previous prime is 258946649831. The next prime is 258946649879.

258946649852 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6808358 + ... + 6846285.

It is an arithmetic number, because the mean of its divisors is an integer number (20645821728).

Almost surely, 2^258946649852 is an apocalyptic number.

258946649852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

258946649852 is a deficient number, since it is larger than the sum of its proper divisors (236553071620).

258946649852 is a wasteful number, since it uses less digits than its factorization.

258946649852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13655089 (or 13655087 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 68.

The spelling of 258946649852 in words is "two hundred fifty-eight billion, nine hundred forty-six million, six hundred forty-nine thousand, eight hundred fifty-two".