2653279763644 has 48 divisors (see below), whose sum is σ = 4721654714112. Its totient is φ = 1304400051072.

The previous prime is 2653279763633. The next prime is 2653279763699. The reversal of 2653279763644 is 4463679723562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77308632 + ... + 77342944.

It is an arithmetic number, because the mean of its divisors is an integer number (98367806544).

Almost surely, 2^{2653279763644} is an apocalyptic number.

It is an amenable number.

2653279763644 is a deficient number, since it is larger than the sum of its proper divisors (2068374950468).

2653279763644 is a wasteful number, since it uses less digits than its factorization.

2653279763644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35506 (or 35504 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 64.

The spelling of 2653279763644 in words is "two trillion, six hundred fifty-three billion, two hundred seventy-nine million, seven hundred sixty-three thousand, six hundred forty-four".