13046749436 has 24 divisors (see below), whose sum is σ = 26100888576. Its totient is φ = 5589880560.

The previous prime is 13046749423. The next prime is 13046749447. The reversal of 13046749436 is 63494764031.

13046749436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37505 + ... + 165831.

It is an arithmetic number, because the mean of its divisors is an integer number (1087537024).

Almost surely, 2^13046749436 is an apocalyptic number.

It is an amenable number.

13046749436 is an abundant number, since it is smaller than the sum of its proper divisors (13054139140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13046749436 is a wasteful number, since it uses less digits than its factorization.

13046749436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131969 (or 131967 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 13046749436 in words is "thirteen billion, forty-six million, seven hundred forty-nine thousand, four hundred thirty-six".