32642466845647 has 2 divisors, whose sum is σ = 32642466845648. Its totient is φ = 32642466845646.

The previous prime is 32642466845587. The next prime is 32642466845711. The reversal of 32642466845647 is 74654866424623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32642466845647 - 2⁷ = 32642466845519 is a prime.

It is a super-2 number, since 2×32642466845647² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32642466843647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16321233422823 + 16321233422824.

It is an arithmetic number, because the mean of its divisors is an integer number (16321233422824).

Almost surely, 2^{32642466845647} is an apocalyptic number.

32642466845647 is a deficient number, since it is larger than the sum of its proper divisors (1).

32642466845647 is an equidigital number, since it uses as much as digits as its factorization.

32642466845647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1114767360, while the sum is 67.

The spelling of 32642466845647 in words is "thirty-two trillion, six hundred forty-two billion, four hundred sixty-six million, eight hundred forty-five thousand, six hundred forty-seven".