746969969657 has 2 divisors, whose sum is σ = 746969969658. Its totient is φ = 746969969656.

The previous prime is 746969969653. The next prime is 746969969701. The reversal of 746969969657 is 756969969647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718529170921 + 28440798736 = 847661^2 + 168644^2 .

It is a cyclic number.

It is not a de Polignac number, because 746969969657 - 2² = 746969969653 is a prime.

It is not a weakly prime, because it can be changed into another prime (746969969653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373484984828 + 373484984829.

It is an arithmetic number, because the mean of its divisors is an integer number (373484984829).

Almost surely, 2^746969969657 is an apocalyptic number.

It is an amenable number.

746969969657 is a deficient number, since it is larger than the sum of its proper divisors (1).

746969969657 is an equidigital number, since it uses as much as digits as its factorization.

746969969657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8332994880, while the sum is 83.

The spelling of 746969969657 in words is "seven hundred forty-six billion, nine hundred sixty-nine million, nine hundred sixty-nine thousand, six hundred fifty-seven".