68611796063 has 2 divisors, whose sum is σ = 68611796064. Its totient is φ = 68611796062.

The previous prime is 68611796053. The next prime is 68611796069. The reversal of 68611796063 is 36069711686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68611796063 - 2⁸ = 68611795807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68611795996 and 68611796014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68611796069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34305898031 + 34305898032.

It is an arithmetic number, because the mean of its divisors is an integer number (34305898032).

Almost surely, 2^68611796063 is an apocalyptic number.

68611796063 is a deficient number, since it is larger than the sum of its proper divisors (1).

68611796063 is an equidigital number, since it uses as much as digits as its factorization.

68611796063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 68611796063 in words is "sixty-eight billion, six hundred eleven million, seven hundred ninety-six thousand, sixty-three".