32640242203643 has 2 divisors, whose sum is σ = 32640242203644. Its totient is φ = 32640242203642.

The previous prime is 32640242203601. The next prime is 32640242203669. The reversal of 32640242203643 is 34630224204623.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32640242203643 is a prime.

It is a super-2 number, since 2×32640242203643² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32640242203643.

It is not a weakly prime, because it can be changed into another prime (32640242223643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16320121101821 + 16320121101822.

It is an arithmetic number, because the mean of its divisors is an integer number (16320121101822).

Almost surely, 2^{32640242203643} is an apocalyptic number.

32640242203643 is a deficient number, since it is larger than the sum of its proper divisors (1).

32640242203643 is an equidigital number, since it uses as much as digits as its factorization.

32640242203643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 41.

The spelling of 32640242203643 in words is "thirty-two trillion, six hundred forty billion, two hundred forty-two million, two hundred three thousand, six hundred forty-three".