13247633573 has 2 divisors, whose sum is σ = 13247633574. Its totient is φ = 13247633572.

The previous prime is 13247633561. The next prime is 13247633591. The reversal of 13247633573 is 37533674231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12680336449 + 567297124 = 112607^2 + 23818^2 .

It is a cyclic number.

It is not a de Polignac number, because 13247633573 - 2⁴ = 13247633557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13247633593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623816786 + 6623816787.

It is an arithmetic number, because the mean of its divisors is an integer number (6623816787).

Almost surely, 2^13247633573 is an apocalyptic number.

It is an amenable number.

13247633573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247633573 is an equidigital number, since it uses as much as digits as its factorization.

13247633573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 44.

The spelling of 13247633573 in words is "thirteen billion, two hundred forty-seven million, six hundred thirty-three thousand, five hundred seventy-three".