13171904744 has 16 divisors (see below), whose sum is σ = 24791231520. Its totient is φ = 6560909680.

The previous prime is 13171904741. The next prime is 13171904747. The reversal of 13171904744 is 44740917131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13171904741) and next prime (13171904747).

It is not an unprimeable number, because it can be changed into a prime (13171904741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128102 + ... + 3132309.

It is an arithmetic number, because the mean of its divisors is an integer number (1549451970).

Almost surely, 2^13171904744 is an apocalyptic number.

It is an amenable number.

13171904744 is a deficient number, since it is larger than the sum of its proper divisors (11619326776).

13171904744 is a wasteful number, since it uses less digits than its factorization.

13171904744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260680 (or 6260676 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 13171904744 in words is "thirteen billion, one hundred seventy-one million, nine hundred four thousand, seven hundred forty-four".