97053986173 has 2 divisors, whose sum is σ = 97053986174. Its totient is φ = 97053986172.

The previous prime is 97053986149. The next prime is 97053986189. The reversal of 97053986173 is 37168935079.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94029316164 + 3024670009 = 306642^2 + 54997^2 .

It is a cyclic number.

It is not a de Polignac number, because 97053986173 - 2¹³ = 97053977981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97053986143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48526993086 + 48526993087.

It is an arithmetic number, because the mean of its divisors is an integer number (48526993087).

Almost surely, 2^97053986173 is an apocalyptic number.

It is an amenable number.

97053986173 is a deficient number, since it is larger than the sum of its proper divisors (1).

97053986173 is an equidigital number, since it uses as much as digits as its factorization.

97053986173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 97053986173 in words is "ninety-seven billion, fifty-three million, nine hundred eighty-six thousand, one hundred seventy-three".