12799529731 has 2 divisors, whose sum is σ = 12799529732. Its totient is φ = 12799529730.

The previous prime is 12799529681. The next prime is 12799529753. The reversal of 12799529731 is 13792599721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12799529731 - 2²¹ = 12797432579 is a prime.

It is a super-2 number, since 2×12799529731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12799529131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6399764865 + 6399764866.

It is an arithmetic number, because the mean of its divisors is an integer number (6399764866).

Almost surely, 2^12799529731 is an apocalyptic number.

12799529731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12799529731 is an equidigital number, since it uses as much as digits as its factorization.

12799529731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 55.

The spelling of 12799529731 in words is "twelve billion, seven hundred ninety-nine million, five hundred twenty-nine thousand, seven hundred thirty-one".