697310345497 has 2 divisors, whose sum is σ = 697310345498. Its totient is φ = 697310345496.

The previous prime is 697310345477. The next prime is 697310345531. The reversal of 697310345497 is 794543013796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369644544256 + 327665801241 = 607984^2 + 572421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-697310345497 is a prime.

It is not a weakly prime, because it can be changed into another prime (697310345477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348655172748 + 348655172749.

It is an arithmetic number, because the mean of its divisors is an integer number (348655172749).

Almost surely, 2^697310345497 is an apocalyptic number.

It is an amenable number.

697310345497 is a deficient number, since it is larger than the sum of its proper divisors (1).

697310345497 is an equidigital number, since it uses as much as digits as its factorization.

697310345497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 697310345497 in words is "six hundred ninety-seven billion, three hundred ten million, three hundred forty-five thousand, four hundred ninety-seven".