13639013573 has 2 divisors, whose sum is σ = 13639013574. Its totient is φ = 13639013572.

The previous prime is 13639013551. The next prime is 13639013627. The reversal of 13639013573 is 37531093631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13585767364 + 53246209 = 116558^2 + 7297^2 .

It is an emirp because it is prime and its reverse (37531093631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13639013573 - 2²² = 13634819269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13639013573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13639013503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6819506786 + 6819506787.

It is an arithmetic number, because the mean of its divisors is an integer number (6819506787).

Almost surely, 2^13639013573 is an apocalyptic number.

It is an amenable number.

13639013573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13639013573 is an equidigital number, since it uses as much as digits as its factorization.

13639013573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 41.

The spelling of 13639013573 in words is "thirteen billion, six hundred thirty-nine million, thirteen thousand, five hundred seventy-three".