13002047639 has 6 divisors (see below), whose sum is σ = 15124830984. Its totient is φ = 11144612220.

The previous prime is 13002047623. The next prime is 13002047687. The reversal of 13002047639 is 93674020031.

13002047639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13002047639 - 2⁴ = 13002047623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13002047599 and 13002047608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002047689) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 132673907 + ... + 132674004.

It is an arithmetic number, because the mean of its divisors is an integer number (2520805164).

Almost surely, 2^13002047639 is an apocalyptic number.

13002047639 is a deficient number, since it is larger than the sum of its proper divisors (2122783345).

13002047639 is an equidigital number, since it uses as much as digits as its factorization.

13002047639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265347925 (or 265347918 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 13002047639 in words is "thirteen billion, two million, forty-seven thousand, six hundred thirty-nine".