13004749017 has 40 divisors (see below), whose sum is σ = 20954366664. Its totient is φ = 7990244352.

The previous prime is 13004749003. The next prime is 13004749039. The reversal of 13004749017 is 71094740031.

It can be written as a sum of positive squares in 4 ways, for example, as 1628606736 + 11376142281 = 40356^2 + 106659^2 .

It is not a de Polignac number, because 13004749017 - 2⁴ = 13004749001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13004749057) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 678153 + ... + 697065.

Almost surely, 2^13004749017 is an apocalyptic number.

It is an amenable number.

13004749017 is a deficient number, since it is larger than the sum of its proper divisors (7949617647).

13004749017 is a wasteful number, since it uses less digits than its factorization.

13004749017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19591 (or 19582 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 13004749017 in words is "thirteen billion, four million, seven hundred forty-nine thousand, seventeen".