13731479876 has 6 divisors (see below), whose sum is σ = 24030089790. Its totient is φ = 6865739936.

The previous prime is 13731479869. The next prime is 13731479891. The reversal of 13731479876 is 67897413731.

It can be written as a sum of positive squares in only one way, i.e., 13207985476 + 523494400 = 114926^2 + 22880^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716434981 + ... + 1716434988.

It is an arithmetic number, because the mean of its divisors is an integer number (4005014965).

Almost surely, 2^13731479876 is an apocalyptic number.

It is an amenable number.

13731479876 is a deficient number, since it is larger than the sum of its proper divisors (10298609914).

13731479876 is a wasteful number, since it uses less digits than its factorization.

13731479876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432869973 (or 3432869971 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 56.

The spelling of 13731479876 in words is "thirteen billion, seven hundred thirty-one million, four hundred seventy-nine thousand, eight hundred seventy-six".