12737368643 has 8 divisors (see below), whose sum is σ = 13488893712. Its totient is φ = 11986095616.

The previous prime is 12737368627. The next prime is 12737368681. The reversal of 12737368643 is 34686373721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12737368643 - 2⁴ = 12737368627 is a prime.

It is a super-2 number, since 2×12737368643² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12737368591 and 12737368600.

It is not an unprimeable number, because it can be changed into a prime (12797368643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46496 + ... + 166242.

It is an arithmetic number, because the mean of its divisors is an integer number (1686111714).

Almost surely, 2^12737368643 is an apocalyptic number.

12737368643 is a deficient number, since it is larger than the sum of its proper divisors (751525069).

12737368643 is a wasteful number, since it uses less digits than its factorization.

12737368643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126021.

The product of its digits is 3048192, while the sum is 50.

The spelling of 12737368643 in words is "twelve billion, seven hundred thirty-seven million, three hundred sixty-eight thousand, six hundred forty-three".