12457159739 has 2 divisors, whose sum is σ = 12457159740. Its totient is φ = 12457159738.

The previous prime is 12457159733. The next prime is 12457159777. The reversal of 12457159739 is 93795175421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12457159739 - 2¹² = 12457155643 is a prime.

It is not a weakly prime, because it can be changed into another prime (12457159733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6228579869 + 6228579870.

It is an arithmetic number, because the mean of its divisors is an integer number (6228579870).

Almost surely, 2^12457159739 is an apocalyptic number.

12457159739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12457159739 is an equidigital number, since it uses as much as digits as its factorization.

12457159739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 53.

The spelling of 12457159739 in words is "twelve billion, four hundred fifty-seven million, one hundred fifty-nine thousand, seven hundred thirty-nine".