32667600689 has 2 divisors, whose sum is σ = 32667600690. Its totient is φ = 32667600688.

The previous prime is 32667600611. The next prime is 32667600793. The reversal of 32667600689 is 98600676623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29685567025 + 2982033664 = 172295^2 + 54608^2 .

It is a cyclic number.

It is not a de Polignac number, because 32667600689 - 2²⁴ = 32650823473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32667600689.

It is not a weakly prime, because it can be changed into another prime (32667605689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16333800344 + 16333800345.

It is an arithmetic number, because the mean of its divisors is an integer number (16333800345).

Almost surely, 2^32667600689 is an apocalyptic number.

It is an amenable number.

32667600689 is a deficient number, since it is larger than the sum of its proper divisors (1).

32667600689 is an equidigital number, since it uses as much as digits as its factorization.

32667600689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 32667600689 in words is "thirty-two billion, six hundred sixty-seven million, six hundred thousand, six hundred eighty-nine".