13749924772 has 24 divisors (see below), whose sum is σ = 24111097920. Its totient is φ = 6861058080.

The previous prime is 13749924763. The next prime is 13749924787. The reversal of 13749924772 is 27742994731.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 7363783 + ... + 7365649.

It is an arithmetic number, because the mean of its divisors is an integer number (1004629080).

Almost surely, 2^13749924772 is an apocalyptic number.

It is an amenable number.

13749924772 is a deficient number, since it is larger than the sum of its proper divisors (10361173148).

13749924772 is a wasteful number, since it uses less digits than its factorization.

13749924772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611 (or 4609 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 55.

The spelling of 13749924772 in words is "thirteen billion, seven hundred forty-nine million, nine hundred twenty-four thousand, seven hundred seventy-two".