12887470933 has 2 divisors, whose sum is σ = 12887470934. Its totient is φ = 12887470932.

The previous prime is 12887470909. The next prime is 12887470963. The reversal of 12887470933 is 33907478821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12052087524 + 835383409 = 109782^2 + 28903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12887470933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12887470963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6443735466 + 6443735467.

It is an arithmetic number, because the mean of its divisors is an integer number (6443735467).

Almost surely, 2^12887470933 is an apocalyptic number.

It is an amenable number.

12887470933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12887470933 is an equidigital number, since it uses as much as digits as its factorization.

12887470933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 12887470933 in words is "twelve billion, eight hundred eighty-seven million, four hundred seventy thousand, nine hundred thirty-three".