12733426493 has 2 divisors, whose sum is σ = 12733426494. Its totient is φ = 12733426492.

The previous prime is 12733426481. The next prime is 12733426507. The reversal of 12733426493 is 39462433721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7850491609 + 4882934884 = 88603^2 + 69878^2 .

It is an emirp because it is prime and its reverse (39462433721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12733426493 - 2⁴ = 12733426477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12733456493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6366713246 + 6366713247.

It is an arithmetic number, because the mean of its divisors is an integer number (6366713247).

Almost surely, 2^12733426493 is an apocalyptic number.

It is an amenable number.

12733426493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12733426493 is an equidigital number, since it uses as much as digits as its factorization.

12733426493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 44.

The spelling of 12733426493 in words is "twelve billion, seven hundred thirty-three million, four hundred twenty-six thousand, four hundred ninety-three".