12755433437 has 2 divisors, whose sum is σ = 12755433438. Its totient is φ = 12755433436.

The previous prime is 12755433389. The next prime is 12755433463. The reversal of 12755433437 is 73433455721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12731511556 + 23921881 = 112834^2 + 4891^2 .

It is a cyclic number.

It is not a de Polignac number, because 12755433437 - 2¹⁸ = 12755171293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12755423437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6377716718 + 6377716719.

It is an arithmetic number, because the mean of its divisors is an integer number (6377716719).

Almost surely, 2^12755433437 is an apocalyptic number.

It is an amenable number.

12755433437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12755433437 is an equidigital number, since it uses as much as digits as its factorization.

12755433437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 44.

The spelling of 12755433437 in words is "twelve billion, seven hundred fifty-five million, four hundred thirty-three thousand, four hundred thirty-seven".