13046749443 has 24 divisors (see below), whose sum is σ = 23194222688. Its totient is φ = 6881801472.

The previous prime is 13046749423. The next prime is 13046749447. The reversal of 13046749443 is 34494764031.

13046749443 is a `hidden beast` number, since 130 + 4 + 6 + 74 + 9 + 443 = 666.

It is not a de Polignac number, because 13046749443 - 2²⁰ = 13045700867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13046749447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7964230 + ... + 7965867.

Almost surely, 2^13046749443 is an apocalyptic number.

13046749443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13046749443 is a deficient number, since it is larger than the sum of its proper divisors (10147473245).

13046749443 is a wasteful number, since it uses less digits than its factorization.

13046749443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930123 (or 15930120 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 13046749443 in words is "thirteen billion, forty-six million, seven hundred forty-nine thousand, four hundred forty-three".