68938964333 has 2 divisors, whose sum is σ = 68938964334. Its totient is φ = 68938964332.

The previous prime is 68938964327. The next prime is 68938964429. The reversal of 68938964333 is 33346983986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54234491689 + 14704472644 = 232883^2 + 121262^2 .

It is a cyclic number.

It is not a de Polignac number, because 68938964333 - 2²⁰ = 68937915757 is a prime.

It is a super-2 number, since 2×68938964333² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68938964033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34469482166 + 34469482167.

It is an arithmetic number, because the mean of its divisors is an integer number (34469482167).

Almost surely, 2^68938964333 is an apocalyptic number.

It is an amenable number.

68938964333 is a deficient number, since it is larger than the sum of its proper divisors (1).

68938964333 is an equidigital number, since it uses as much as digits as its factorization.

68938964333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60466176, while the sum is 62.

The spelling of 68938964333 in words is "sixty-eight billion, nine hundred thirty-eight million, nine hundred sixty-four thousand, three hundred thirty-three".