68270993507 has 2 divisors, whose sum is σ = 68270993508. Its totient is φ = 68270993506.

The previous prime is 68270993491. The next prime is 68270993533. The reversal of 68270993507 is 70539907286.

68270993507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68270993507 - 2⁴ = 68270993491 is a prime.

It is not a weakly prime, because it can be changed into another prime (68270993207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34135496753 + 34135496754.

It is an arithmetic number, because the mean of its divisors is an integer number (34135496754).

Almost surely, 2^68270993507 is an apocalyptic number.

68270993507 is a deficient number, since it is larger than the sum of its proper divisors (1).

68270993507 is an equidigital number, since it uses as much as digits as its factorization.

68270993507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 68270993507 in words is "sixty-eight billion, two hundred seventy million, nine hundred ninety-three thousand, five hundred seven".