90832255693 has 2 divisors, whose sum is σ = 90832255694. Its totient is φ = 90832255692.

The previous prime is 90832255649. The next prime is 90832255729. The reversal of 90832255693 is 39655223809.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48170592484 + 42661663209 = 219478^2 + 206547^2 .

It is a cyclic number.

It is not a de Polignac number, because 90832255693 - 2⁹ = 90832255181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90832255693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90832255993) 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, 45416127846 + 45416127847.

It is an arithmetic number, because the mean of its divisors is an integer number (45416127847).

Almost surely, 2^90832255693 is an apocalyptic number.

It is an amenable number.

90832255693 is a deficient number, since it is larger than the sum of its proper divisors (1).

90832255693 is an equidigital number, since it uses as much as digits as its factorization.

90832255693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 90832255693 in words is "ninety billion, eight hundred thirty-two million, two hundred fifty-five thousand, six hundred ninety-three".