12945734931 has 8 divisors (see below), whose sum is σ = 17269736400. Its totient is φ = 8626111712.

The previous prime is 12945734917. The next prime is 12945734951. The reversal of 12945734931 is 13943754921.

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

It is a cyclic number.

It is not a de Polignac number, because 12945734931 - 2¹⁴ = 12945718547 is a prime.

It is a super-2 number, since 2×12945734931² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12945734951) 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, 1087656 + ... + 1099493.

It is an arithmetic number, because the mean of its divisors is an integer number (2158717050).

Almost surely, 2^12945734931 is an apocalyptic number.

12945734931 is a deficient number, since it is larger than the sum of its proper divisors (4324001469).

12945734931 is a wasteful number, since it uses less digits than its factorization.

12945734931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189125.

The product of its digits is 816480, while the sum is 48.

The spelling of 12945734931 in words is "twelve billion, nine hundred forty-five million, seven hundred thirty-four thousand, nine hundred thirty-one".