12457159733 has 2 divisors, whose sum is σ = 12457159734. Its totient is φ = 12457159732.

The previous prime is 12457159711. The next prime is 12457159739. The reversal of 12457159733 is 33795175421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9443369329 + 3013790404 = 97177^2 + 54898^2 .

It is a cyclic number.

It is not a de Polignac number, because 12457159733 - 2³⁰ = 11383417909 is a prime.

It is a super-2 number, since 2×12457159733² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12457159739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6228579866 + 6228579867.

It is an arithmetic number, because the mean of its divisors is an integer number (6228579867).

Almost surely, 2^12457159733 is an apocalyptic number.

It is an amenable number.

12457159733 is a deficient number, since it is larger than the sum of its proper divisors (1).

12457159733 is an equidigital number, since it uses as much as digits as its factorization.

12457159733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 47.

The spelling of 12457159733 in words is "twelve billion, four hundred fifty-seven million, one hundred fifty-nine thousand, seven hundred thirty-three".