12346802491 has 2 divisors, whose sum is σ = 12346802492. Its totient is φ = 12346802490.

The previous prime is 12346802473. The next prime is 12346802527. The reversal of 12346802491 is 19420864321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12346802491 - 2²¹ = 12344705339 is a prime.

It is not a weakly prime, because it can be changed into another prime (12346802401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6173401245 + 6173401246.

It is an arithmetic number, because the mean of its divisors is an integer number (6173401246).

Almost surely, 2^12346802491 is an apocalyptic number.

12346802491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12346802491 is an equidigital number, since it uses as much as digits as its factorization.

12346802491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 12346802491 in words is "twelve billion, three hundred forty-six million, eight hundred two thousand, four hundred ninety-one".