32320894997 has 2 divisors, whose sum is σ = 32320894998. Its totient is φ = 32320894996.

The previous prime is 32320894913. The next prime is 32320895039. The reversal of 32320894997 is 79949802323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16876867921 + 15444027076 = 129911^2 + 124274^2 .

It is a cyclic number.

It is not a de Polignac number, because 32320894997 - 2⁸ = 32320894741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32320894897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16160447498 + 16160447499.

It is an arithmetic number, because the mean of its divisors is an integer number (16160447499).

Almost surely, 2^32320894997 is an apocalyptic number.

It is an amenable number.

32320894997 is a deficient number, since it is larger than the sum of its proper divisors (1).

32320894997 is an equidigital number, since it uses as much as digits as its factorization.

32320894997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 32320894997 in words is "thirty-two billion, three hundred twenty million, eight hundred ninety-four thousand, nine hundred ninety-seven".