11738586644 has 24 divisors (see below), whose sum is σ = 20589948288. Its totient is φ = 5855762880.

The previous prime is 11738586637. The next prime is 11738586677. The reversal of 11738586644 is 44668583711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5888912 + ... + 5890904.

It is an arithmetic number, because the mean of its divisors is an integer number (857914512).

Almost surely, 2^11738586644 is an apocalyptic number.

It is an amenable number.

11738586644 is a deficient number, since it is larger than the sum of its proper divisors (8851361644).

11738586644 is a wasteful number, since it uses less digits than its factorization.

11738586644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655 (or 4653 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 11738586644 in words is "eleven billion, seven hundred thirty-eight million, five hundred eighty-six thousand, six hundred forty-four".