232109978497 has 2 divisors, whose sum is σ = 232109978498. Its totient is φ = 232109978496.

The previous prime is 232109978489. The next prime is 232109978519. The reversal of 232109978497 is 794879901232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160641441601 + 71468536896 = 400801^2 + 267336^2 .

It is a cyclic number.

It is not a de Polignac number, because 232109978497 - 2³ = 232109978489 is a prime.

It is not a weakly prime, because it can be changed into another prime (232109978437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116054989248 + 116054989249.

It is an arithmetic number, because the mean of its divisors is an integer number (116054989249).

Almost surely, 2^232109978497 is an apocalyptic number.

It is an amenable number.

232109978497 is a deficient number, since it is larger than the sum of its proper divisors (1).

232109978497 is an equidigital number, since it uses as much as digits as its factorization.

232109978497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 232109978497 in words is "two hundred thirty-two billion, one hundred nine million, nine hundred seventy-eight thousand, four hundred ninety-seven".