12884901893 has 2 divisors, whose sum is σ = 12884901894. Its totient is φ = 12884901892.

The previous prime is 12884901877. The next prime is 12884901899. The reversal of 12884901893 is 39810948821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7634740129 + 5250161764 = 87377^2 + 72458^2 .

It is a cyclic number.

It is not a de Polignac number, because 12884901893 - 2⁴ = 12884901877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12884901899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442450946 + 6442450947.

It is an arithmetic number, because the mean of its divisors is an integer number (6442450947).

Almost surely, 2^12884901893 is an apocalyptic number.

It is an amenable number.

12884901893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12884901893 is an equidigital number, since it uses as much as digits as its factorization.

12884901893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 12884901893 in words is "twelve billion, eight hundred eighty-four million, nine hundred one thousand, eight hundred ninety-three".