16968385297 has 2 divisors, whose sum is σ = 16968385298. Its totient is φ = 16968385296.

The previous prime is 16968385283. The next prime is 16968385307. The reversal of 16968385297 is 79258386961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15531141376 + 1437243921 = 124624^2 + 37911^2 .

It is a cyclic number.

It is not a de Polignac number, because 16968385297 - 2⁷ = 16968385169 is a prime.

It is not a weakly prime, because it can be changed into another prime (16968385207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8484192648 + 8484192649.

It is an arithmetic number, because the mean of its divisors is an integer number (8484192649).

Almost surely, 2^16968385297 is an apocalyptic number.

It is an amenable number.

16968385297 is a deficient number, since it is larger than the sum of its proper divisors (1).

16968385297 is an equidigital number, since it uses as much as digits as its factorization.

16968385297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 64.

The spelling of 16968385297 in words is "sixteen billion, nine hundred sixty-eight million, three hundred eighty-five thousand, two hundred ninety-seven".