12415735243 has 2 divisors, whose sum is σ = 12415735244. Its totient is φ = 12415735242.

The previous prime is 12415735187. The next prime is 12415735279. The reversal of 12415735243 is 34253751421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12415735243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12415735043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6207867621 + 6207867622.

It is an arithmetic number, because the mean of its divisors is an integer number (6207867622).

Almost surely, 2^12415735243 is an apocalyptic number.

12415735243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12415735243 is an equidigital number, since it uses as much as digits as its factorization.

12415735243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The spelling of 12415735243 in words is "twelve billion, four hundred fifteen million, seven hundred thirty-five thousand, two hundred forty-three".