697741754412973 has 2 divisors, whose sum is σ = 697741754412974. Its totient is φ = 697741754412972.

The previous prime is 697741754412961. The next prime is 697741754413153. The reversal of 697741754412973 is 379214457147796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668863630310404 + 28878124102569 = 25862398^2 + 5373837^2 .

It is a cyclic number.

It is not a de Polignac number, because 697741754412973 - 2³⁷ = 697604315459501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 697741754412973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697741755412973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348870877206486 + 348870877206487.

It is an arithmetic number, because the mean of its divisors is an integer number (348870877206487).

Almost surely, 2^{697741754412973} is an apocalyptic number.

It is an amenable number.

697741754412973 is a deficient number, since it is larger than the sum of its proper divisors (1).

697741754412973 is an equidigital number, since it uses as much as digits as its factorization.

697741754412973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240421120, while the sum is 76.

The spelling of 697741754412973 in words is "six hundred ninety-seven trillion, seven hundred forty-one billion, seven hundred fifty-four million, four hundred twelve thousand, nine hundred seventy-three".