97308435249 has 9 divisors (see below), whose sum is σ = 140557980459. Its totient is φ = 64871666280.

The previous prime is 97308435241. The next prime is 97308435253. The reversal of 97308435249 is 94253480379.

The square root of 97308435249 is 311943.

It is a perfect power (a square), and thus also a powerful number.

97308435249 is a `hidden beast` number, since 9 + 7 + 30 + 84 + 3 + 524 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37116719649 + 60191715600 = 192657^2 + 245340^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 97308435249 - 2³ = 97308435241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97308435195 and 97308435204.

It is not an unprimeable number, because it can be changed into a prime (97308435241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 883839 + ... + 987819.

Almost surely, 2^97308435249 is an apocalyptic number.

97308435249 is the 311943-rd square number.

97308435249 is the 155972-nd centered octagonal number.

It is an amenable number.

97308435249 is a deficient number, since it is larger than the sum of its proper divisors (43249545210).

97308435249 is an frugal number, since it uses more digits than its factorization.

97308435249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207968 (or 103984 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 97308435249 in words is "ninety-seven billion, three hundred eight million, four hundred thirty-five thousand, two hundred forty-nine".