32640242203663 has 4 divisors (see below), whose sum is σ = 32640374226240. Its totient is φ = 32640110181088.

The previous prime is 32640242203643. The next prime is 32640242203669. The reversal of 32640242203663 is 36630224204623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32640242203663 - 2³³ = 32631652269071 is a prime.

It is a super-2 number, since 2×32640242203663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32640242203669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65639743 + ... + 66135136.

It is an arithmetic number, because the mean of its divisors is an integer number (8160093556560).

Almost surely, 2^{32640242203663} is an apocalyptic number.

32640242203663 is a deficient number, since it is larger than the sum of its proper divisors (132022577).

32640242203663 is a wasteful number, since it uses less digits than its factorization.

32640242203663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132022576.

The product of its (nonzero) digits is 1492992, while the sum is 43.

The spelling of 32640242203663 in words is "thirty-two trillion, six hundred forty billion, two hundred forty-two million, two hundred three thousand, six hundred sixty-three".