13046749472 has 24 divisors (see below), whose sum is σ = 25717589100. Its totient is φ = 6515298304.

The previous prime is 13046749459. The next prime is 13046749481. The reversal of 13046749472 is 27494764031.

It can be written as a sum of positive squares in 2 ways, for example, as 11431031056 + 1615718416 = 106916^2 + 40196^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226097 + ... + 277872.

Almost surely, 2^13046749472 is an apocalyptic number.

It is an amenable number.

13046749472 is a deficient number, since it is larger than the sum of its proper divisors (12670839628).

13046749472 is an equidigital number, since it uses as much as digits as its factorization.

13046749472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504788 (or 504780 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 13046749472 in words is "thirteen billion, forty-six million, seven hundred forty-nine thousand, four hundred seventy-two".