90812464332899 has 2 divisors, whose sum is σ = 90812464332900. Its totient is φ = 90812464332898.

The previous prime is 90812464332881. The next prime is 90812464332907. The reversal of 90812464332899 is 99823346421809.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90812464332899 - 2⁸ = 90812464332643 is a prime.

It is not a weakly prime, because it can be changed into another prime (90812464332859) 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, 45406232166449 + 45406232166450.

It is an arithmetic number, because the mean of its divisors is an integer number (45406232166450).

Almost surely, 2^{90812464332899} is an apocalyptic number.

90812464332899 is a deficient number, since it is larger than the sum of its proper divisors (1).

90812464332899 is an equidigital number, since it uses as much as digits as its factorization.

90812464332899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161243136, while the sum is 68.

The spelling of 90812464332899 in words is "ninety trillion, eight hundred twelve billion, four hundred sixty-four million, three hundred thirty-two thousand, eight hundred ninety-nine".