97615018373 has 2 divisors, whose sum is σ = 97615018374. Its totient is φ = 97615018372.

The previous prime is 97615018363. The next prime is 97615018399. The reversal of 97615018373 is 37381051679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87165476644 + 10449541729 = 295238^2 + 102223^2 .

It is a cyclic number.

It is not a de Polignac number, because 97615018373 - 2¹⁶ = 97614952837 is a prime.

It is a super-2 number, since 2×97615018373² (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 (97615018363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48807509186 + 48807509187.

It is an arithmetic number, because the mean of its divisors is an integer number (48807509187).

Almost surely, 2^97615018373 is an apocalyptic number.

It is an amenable number.

97615018373 is a deficient number, since it is larger than the sum of its proper divisors (1).

97615018373 is an equidigital number, since it uses as much as digits as its factorization.

97615018373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 97615018373 in words is "ninety-seven billion, six hundred fifteen million, eighteen thousand, three hundred seventy-three".