2273213987564 has 24 divisors (see below), whose sum is σ = 4285734664848. Its totient is φ = 1048783700160.

The previous prime is 2273213987521. The next prime is 2273213987579. The reversal of 2273213987564 is 4657893123722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8025842 + ... + 8304249.

It is an arithmetic number, because the mean of its divisors is an integer number (178572277702).

Almost surely, 2^{2273213987564} is an apocalyptic number.

It is an amenable number.

2273213987564 is a deficient number, since it is larger than the sum of its proper divisors (2012520677284).

2273213987564 is a wasteful number, since it uses less digits than its factorization.

2273213987564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16332785 (or 16332783 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 59.

The spelling of 2273213987564 in words is "two trillion, two hundred seventy-three billion, two hundred thirteen million, nine hundred eighty-seven thousand, five hundred sixty-four".