68107965290 has 16 divisors (see below), whose sum is σ = 123808144680. Its totient is φ = 26973451200.

The previous prime is 68107965271. The next prime is 68107965337. The reversal of 68107965290 is 9256970186.

It can be written as a sum of positive squares in 4 ways, for example, as 66275868481 + 1832096809 = 257441^2 + 42803^2 .

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, 33715805 + ... + 33717824.

Almost surely, 2^68107965290 is an apocalyptic number.

68107965290 is a deficient number, since it is larger than the sum of its proper divisors (55700179390).

68107965290 is a wasteful number, since it uses less digits than its factorization.

68107965290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67433737.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 68107965290 in words is "sixty-eight billion, one hundred seven million, nine hundred sixty-five thousand, two hundred ninety".