97390323293 has 2 divisors, whose sum is σ = 97390323294. Its totient is φ = 97390323292.

The previous prime is 97390323187. The next prime is 97390323301. The reversal of 97390323293 is 39232309379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66792267364 + 30598055929 = 258442^2 + 174923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97390323293 is a prime.

It is a super-2 number, since 2×97390323293² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97390325293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48695161646 + 48695161647.

It is an arithmetic number, because the mean of its divisors is an integer number (48695161647).

Almost surely, 2^97390323293 is an apocalyptic number.

It is an amenable number.

97390323293 is a deficient number, since it is larger than the sum of its proper divisors (1).

97390323293 is an equidigital number, since it uses as much as digits as its factorization.

97390323293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653372, while the sum is 50.

The spelling of 97390323293 in words is "ninety-seven billion, three hundred ninety million, three hundred twenty-three thousand, two hundred ninety-three".