68831302250 has 32 divisors (see below), whose sum is σ = 131994954000. Its totient is φ = 26860992000.

The previous prime is 68831302247. The next prime is 68831302283. The reversal of 68831302250 is 5220313886.

It can be written as a sum of positive squares in 8 ways, for example, as 543682489 + 68287619761 = 23317^2 + 261319^2 .

It is a Curzon 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, 3347375 + ... + 3367874.

Almost surely, 2^68831302250 is an apocalyptic number.

68831302250 is a deficient number, since it is larger than the sum of its proper divisors (63163651750).

68831302250 is a wasteful number, since it uses less digits than its factorization.

68831302250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715307 (or 6715297 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 68831302250 in words is "sixty-eight billion, eight hundred thirty-one million, three hundred two thousand, two hundred fifty".