13247794933 has 2 divisors, whose sum is σ = 13247794934. Its totient is φ = 13247794932.

The previous prime is 13247794883. The next prime is 13247794951. The reversal of 13247794933 is 33949774231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10632290769 + 2615504164 = 103113^2 + 51142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13247794933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13247794033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623897466 + 6623897467.

It is an arithmetic number, because the mean of its divisors is an integer number (6623897467).

Almost surely, 2^13247794933 is an apocalyptic number.

It is an amenable number.

13247794933 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247794933 is an equidigital number, since it uses as much as digits as its factorization.

13247794933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 52.

The spelling of 13247794933 in words is "thirteen billion, two hundred forty-seven million, seven hundred ninety-four thousand, nine hundred thirty-three".