68932637951 has 2 divisors, whose sum is σ = 68932637952. Its totient is φ = 68932637950.

The previous prime is 68932637909. The next prime is 68932637957. The reversal of 68932637951 is 15973623986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68932637951 - 2¹⁴ = 68932621567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68932637957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34466318975 + 34466318976.

It is an arithmetic number, because the mean of its divisors is an integer number (34466318976).

Almost surely, 2^68932637951 is an apocalyptic number.

68932637951 is a deficient number, since it is larger than the sum of its proper divisors (1).

68932637951 is an equidigital number, since it uses as much as digits as its factorization.

68932637951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 59.

The spelling of 68932637951 in words is "sixty-eight billion, nine hundred thirty-two million, six hundred thirty-seven thousand, nine hundred fifty-one".