12494805629 has 2 divisors, whose sum is σ = 12494805630. Its totient is φ = 12494805628.

The previous prime is 12494805611. The next prime is 12494805767. The reversal of 12494805629 is 92650849421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8830924729 + 3663880900 = 93973^2 + 60530^2 .

It is a cyclic number.

It is not a de Polignac number, because 12494805629 - 2⁸ = 12494805373 is a prime.

It is a super-2 number, since 2×12494805629² (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 (12494885629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247402814 + 6247402815.

It is an arithmetic number, because the mean of its divisors is an integer number (6247402815).

Almost surely, 2^12494805629 is an apocalyptic number.

It is an amenable number.

12494805629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12494805629 is an equidigital number, since it uses as much as digits as its factorization.

12494805629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 12494805629 in words is "twelve billion, four hundred ninety-four million, eight hundred five thousand, six hundred twenty-nine".