32668204493 has 2 divisors, whose sum is σ = 32668204494. Its totient is φ = 32668204492.

The previous prime is 32668204489. The next prime is 32668204529. The reversal of 32668204493 is 39440286623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20395552969 + 12272651524 = 142813^2 + 110782^2 .

It is a cyclic number.

It is not a de Polignac number, because 32668204493 - 2² = 32668204489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32668204423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16334102246 + 16334102247.

It is an arithmetic number, because the mean of its divisors is an integer number (16334102247).

Almost surely, 2^32668204493 is an apocalyptic number.

It is an amenable number.

32668204493 is a deficient number, since it is larger than the sum of its proper divisors (1).

32668204493 is an equidigital number, since it uses as much as digits as its factorization.

32668204493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 32668204493 in words is "thirty-two billion, six hundred sixty-eight million, two hundred four thousand, four hundred ninety-three".