13747751144 has 8 divisors (see below), whose sum is σ = 25777033410. Its totient is φ = 6873875568.

The previous prime is 13747751119. The next prime is 13747751159. The reversal of 13747751144 is 44115774731.

It can be written as a sum of positive squares in only one way, i.e., 9440454244 + 4307296900 = 97162^2 + 65630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13747751095 and 13747751104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 859234439 + ... + 859234454.

Almost surely, 2^13747751144 is an apocalyptic number.

It is an amenable number.

13747751144 is a deficient number, since it is larger than the sum of its proper divisors (12029282266).

13747751144 is a wasteful number, since it uses less digits than its factorization.

13747751144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718468899 (or 1718468895 counting only the distinct ones).

The product of its digits is 329280, while the sum is 44.

The spelling of 13747751144 in words is "thirteen billion, seven hundred forty-seven million, seven hundred fifty-one thousand, one hundred forty-four".