12430731641 has 2 divisors, whose sum is σ = 12430731642. Its totient is φ = 12430731640.

The previous prime is 12430731587. The next prime is 12430731661. The reversal of 12430731641 is 14613703421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11121811600 + 1308920041 = 105460^2 + 36179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12430731641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12430731598 and 12430731607.

It is not a weakly prime, because it can be changed into another prime (12430731661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215365820 + 6215365821.

It is an arithmetic number, because the mean of its divisors is an integer number (6215365821).

Almost surely, 2^12430731641 is an apocalyptic number.

It is an amenable number.

12430731641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12430731641 is an equidigital number, since it uses as much as digits as its factorization.

12430731641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 12430731641 in words is "twelve billion, four hundred thirty million, seven hundred thirty-one thousand, six hundred forty-one".