12652512493 has 2 divisors, whose sum is σ = 12652512494. Its totient is φ = 12652512492.

The previous prime is 12652512487. The next prime is 12652512517. The reversal of 12652512493 is 39421525621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11253602889 + 1398909604 = 106083^2 + 37402^2 .

It is a cyclic number.

It is not a de Polignac number, because 12652512493 - 2⁵ = 12652512461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12652512473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326256246 + 6326256247.

It is an arithmetic number, because the mean of its divisors is an integer number (6326256247).

Almost surely, 2^12652512493 is an apocalyptic number.

It is an amenable number.

12652512493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12652512493 is an equidigital number, since it uses as much as digits as its factorization.

12652512493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The spelling of 12652512493 in words is "twelve billion, six hundred fifty-two million, five hundred twelve thousand, four hundred ninety-three".