12743392946 has 8 divisors (see below), whose sum is σ = 19116197100. Its totient is φ = 6371327248.

The previous prime is 12743392927. The next prime is 12743392969. The reversal of 12743392946 is 64929334721.

It can be written as a sum of positive squares in 2 ways, for example, as 11312662321 + 1430730625 = 106361^2 + 37825^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12743392894 and 12743392903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139241 + ... + 211836.

Almost surely, 2^12743392946 is an apocalyptic number.

12743392946 is a deficient number, since it is larger than the sum of its proper divisors (6372804154).

12743392946 is a wasteful number, since it uses less digits than its factorization.

12743392946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369228.

The product of its digits is 1959552, while the sum is 50.

The spelling of 12743392946 in words is "twelve billion, seven hundred forty-three million, three hundred ninety-two thousand, nine hundred forty-six".