12416500493 has 2 divisors, whose sum is σ = 12416500494. Its totient is φ = 12416500492.

The previous prime is 12416500487. The next prime is 12416500543. The reversal of 12416500493 is 39400561421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10846597609 + 1569902884 = 104147^2 + 39622^2 .

It is a cyclic number.

It is not a de Polignac number, because 12416500493 - 2⁸ = 12416500237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12416500403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208250246 + 6208250247.

It is an arithmetic number, because the mean of its divisors is an integer number (6208250247).

Almost surely, 2^12416500493 is an apocalyptic number.

It is an amenable number.

12416500493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12416500493 is an equidigital number, since it uses as much as digits as its factorization.

12416500493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 12416500493 in words is "twelve billion, four hundred sixteen million, five hundred thousand, four hundred ninety-three".