12347945963 has 2 divisors, whose sum is σ = 12347945964. Its totient is φ = 12347945962.

The previous prime is 12347945959. The next prime is 12347945969. The reversal of 12347945963 is 36954974321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12347945963 - 2² = 12347945959 is a prime.

It is not a weakly prime, because it can be changed into another prime (12347945969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6173972981 + 6173972982.

It is an arithmetic number, because the mean of its divisors is an integer number (6173972982).

Almost surely, 2^12347945963 is an apocalyptic number.

12347945963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12347945963 is an equidigital number, since it uses as much as digits as its factorization.

12347945963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 53.

The spelling of 12347945963 in words is "twelve billion, three hundred forty-seven million, nine hundred forty-five thousand, nine hundred sixty-three".