268900256945 has 16 divisors (see below), whose sum is σ = 323011291008. Its totient is φ = 214899661440.

The previous prime is 268900256929. The next prime is 268900256951. The reversal of 268900256945 is 549652009862.

It is not a de Polignac number, because 268900256945 - 2⁴ = 268900256929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36250877 + ... + 36258293.

It is an arithmetic number, because the mean of its divisors is an integer number (20188205688).

Almost surely, 2^268900256945 is an apocalyptic number.

It is an amenable number.

268900256945 is a deficient number, since it is larger than the sum of its proper divisors (54111034063).

268900256945 is a wasteful number, since it uses less digits than its factorization.

268900256945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 268900256945 in words is "two hundred sixty-eight billion, nine hundred million, two hundred fifty-six thousand, nine hundred forty-five".