3522644618021 has 2 divisors, whose sum is σ = 3522644618022. Its totient is φ = 3522644618020.

The previous prime is 3522644618011. The next prime is 3522644618027. The reversal of 3522644618021 is 1208164462253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1901886469921 + 1620758148100 = 1379089^2 + 1273090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3522644618021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3522644618027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1761322309010 + 1761322309011.

It is an arithmetic number, because the mean of its divisors is an integer number (1761322309011).

Almost surely, 2^{3522644618021} is an apocalyptic number.

It is an amenable number.

3522644618021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3522644618021 is an equidigital number, since it uses as much as digits as its factorization.

3522644618021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 3522644618021 in words is "three trillion, five hundred twenty-two billion, six hundred forty-four million, six hundred eighteen thousand, twenty-one".