232262978509 has 2 divisors, whose sum is σ = 232262978510. Its totient is φ = 232262978508.

The previous prime is 232262978477. The next prime is 232262978513. The reversal of 232262978509 is 905879262232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222645253609 + 9617724900 = 471853^2 + 98070^2 .

It is a cyclic number.

It is not a de Polignac number, because 232262978509 - 2⁵ = 232262978477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232262978509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232262978599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116131489254 + 116131489255.

It is an arithmetic number, because the mean of its divisors is an integer number (116131489255).

Almost surely, 2^232262978509 is an apocalyptic number.

It is an amenable number.

232262978509 is a deficient number, since it is larger than the sum of its proper divisors (1).

232262978509 is an equidigital number, since it uses as much as digits as its factorization.

232262978509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 232262978509 in words is "two hundred thirty-two billion, two hundred sixty-two million, nine hundred seventy-eight thousand, five hundred nine".