97354965457 has 2 divisors, whose sum is σ = 97354965458. Its totient is φ = 97354965456.

The previous prime is 97354965439. The next prime is 97354965497. The reversal of 97354965457 is 75456945379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82762083856 + 14592881601 = 287684^2 + 120801^2 .

It is a cyclic number.

It is not a de Polignac number, because 97354965457 - 2⁷ = 97354965329 is a prime.

It is not a weakly prime, because it can be changed into another prime (97354965497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48677482728 + 48677482729.

It is an arithmetic number, because the mean of its divisors is an integer number (48677482729).

Almost surely, 2^97354965457 is an apocalyptic number.

It is an amenable number.

97354965457 is a deficient number, since it is larger than the sum of its proper divisors (1).

97354965457 is an equidigital number, since it uses as much as digits as its factorization.

97354965457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884000, while the sum is 64.

The spelling of 97354965457 in words is "ninety-seven billion, three hundred fifty-four million, nine hundred sixty-five thousand, four hundred fifty-seven".