13147337643 has 12 divisors (see below), whose sum is σ = 19268274984. Its totient is φ = 7968083200.

The previous prime is 13147337639. The next prime is 13147337647. The reversal of 13147337643 is 34673374131.

It is an interprime number because it is at equal distance from previous prime (13147337639) and next prime (13147337647).

It is not a de Polignac number, because 13147337643 - 2² = 13147337639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13147337595 and 13147337604.

It is not an unprimeable number, because it can be changed into a prime (13147337647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18108918 + ... + 18109643.

It is an arithmetic number, because the mean of its divisors is an integer number (1605689582).

Almost surely, 2^13147337643 is an apocalyptic number.

13147337643 is a deficient number, since it is larger than the sum of its proper divisors (6120937341).

13147337643 is a wasteful number, since it uses less digits than its factorization.

13147337643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36218586 (or 36218575 counting only the distinct ones).

The product of its digits is 381024, while the sum is 42.

The spelling of 13147337643 in words is "thirteen billion, one hundred forty-seven million, three hundred thirty-seven thousand, six hundred forty-three".