3621964566242 has 16 divisors (see below), whose sum is σ = 5927725390464. Its totient is φ = 1646104674000.

The previous prime is 3621964566221. The next prime is 3621964566289. The reversal of 3621964566242 is 2426654691263.

It is a super-2 number, since 2×3621964566242² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 11990234 + ... + 12288597.

It is an arithmetic number, because the mean of its divisors is an integer number (370482836904).

Almost surely, 2^{3621964566242} is an apocalyptic number.

3621964566242 is a deficient number, since it is larger than the sum of its proper divisors (2305760824222).

3621964566242 is a wasteful number, since it uses less digits than its factorization.

3621964566242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24285625.

The product of its digits is 22394880, while the sum is 56.

The spelling of 3621964566242 in words is "three trillion, six hundred twenty-one billion, nine hundred sixty-four million, five hundred sixty-six thousand, two hundred forty-two".