13223285639 has 2 divisors, whose sum is σ = 13223285640. Its totient is φ = 13223285638.

The previous prime is 13223285629. The next prime is 13223285659. The reversal of 13223285639 is 93658232231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13223285639 - 2¹² = 13223281543 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13223285639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223285609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611642819 + 6611642820.

It is an arithmetic number, because the mean of its divisors is an integer number (6611642820).

Almost surely, 2^13223285639 is an apocalyptic number.

13223285639 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223285639 is an equidigital number, since it uses as much as digits as its factorization.

13223285639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The spelling of 13223285639 in words is "thirteen billion, two hundred twenty-three million, two hundred eighty-five thousand, six hundred thirty-nine".