97199999933 has 2 divisors, whose sum is σ = 97199999934. Its totient is φ = 97199999932.

The previous prime is 97199999917. The next prime is 97200000017. The reversal of 97199999933 is 33999999179.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73087500409 + 24112499524 = 270347^2 + 155282^2 .

It is a cyclic number.

It is not a de Polignac number, because 97199999933 - 2⁴ = 97199999917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97199999903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48599999966 + 48599999967.

It is an arithmetic number, because the mean of its divisors is an integer number (48599999967).

Almost surely, 2^97199999933 is an apocalyptic number.

It is an amenable number.

97199999933 is a deficient number, since it is larger than the sum of its proper divisors (1).

97199999933 is an equidigital number, since it uses as much as digits as its factorization.

97199999933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301327047, while the sum is 77.

The spelling of 97199999933 in words is "ninety-seven billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred thirty-three".