12835262491 has 2 divisors, whose sum is σ = 12835262492. Its totient is φ = 12835262490.

The previous prime is 12835262471. The next prime is 12835262509. The reversal of 12835262491 is 19426253821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12835262491 - 2⁵ = 12835262459 is a prime.

It is not a weakly prime, because it can be changed into another prime (12835262411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6417631245 + 6417631246.

It is an arithmetic number, because the mean of its divisors is an integer number (6417631246).

Almost surely, 2^12835262491 is an apocalyptic number.

12835262491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12835262491 is an equidigital number, since it uses as much as digits as its factorization.

12835262491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The spelling of 12835262491 in words is "twelve billion, eight hundred thirty-five million, two hundred sixty-two thousand, four hundred ninety-one".