32590990693 has 2 divisors, whose sum is σ = 32590990694. Its totient is φ = 32590990692.

The previous prime is 32590990687. The next prime is 32590990727. The reversal of 32590990693 is 39609909523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24925462884 + 7665527809 = 157878^2 + 87553^2 .

It is a cyclic number.

It is not a de Polignac number, because 32590990693 - 2²⁹ = 32054119781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32590990673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16295495346 + 16295495347.

It is an arithmetic number, because the mean of its divisors is an integer number (16295495347).

Almost surely, 2^32590990693 is an apocalyptic number.

It is an amenable number.

32590990693 is a deficient number, since it is larger than the sum of its proper divisors (1).

32590990693 is an equidigital number, since it uses as much as digits as its factorization.

32590990693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3542940, while the sum is 55.

The spelling of 32590990693 in words is "thirty-two billion, five hundred ninety million, nine hundred ninety thousand, six hundred ninety-three".