97518620153 has 2 divisors, whose sum is σ = 97518620154. Its totient is φ = 97518620152.

The previous prime is 97518620119. The next prime is 97518620209. The reversal of 97518620153 is 35102681579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95204336704 + 2314283449 = 308552^2 + 48107^2 .

It is a cyclic number.

It is not a de Polignac number, because 97518620153 - 2²⁴ = 97501842937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97518620098 and 97518620107.

It is not a weakly prime, because it can be changed into another prime (97518620113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48759310076 + 48759310077.

It is an arithmetic number, because the mean of its divisors is an integer number (48759310077).

Almost surely, 2^97518620153 is an apocalyptic number.

It is an amenable number.

97518620153 is a deficient number, since it is larger than the sum of its proper divisors (1).

97518620153 is an equidigital number, since it uses as much as digits as its factorization.

97518620153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 97518620153 in words is "ninety-seven billion, five hundred eighteen million, six hundred twenty thousand, one hundred fifty-three".