32664246647 has 2 divisors, whose sum is σ = 32664246648. Its totient is φ = 32664246646.

The previous prime is 32664246619. The next prime is 32664246653. The reversal of 32664246647 is 74664246623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32664246647 - 2¹⁶ = 32664181111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32664246595 and 32664246604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32664246617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16332123323 + 16332123324.

It is an arithmetic number, because the mean of its divisors is an integer number (16332123324).

Almost surely, 2^32664246647 is an apocalyptic number.

32664246647 is a deficient number, since it is larger than the sum of its proper divisors (1).

32664246647 is an equidigital number, since it uses as much as digits as its factorization.

32664246647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 50.

The spelling of 32664246647 in words is "thirty-two billion, six hundred sixty-four million, two hundred forty-six thousand, six hundred forty-seven".