13636145639 has 2 divisors, whose sum is σ = 13636145640. Its totient is φ = 13636145638.

The previous prime is 13636145617. The next prime is 13636145641. The reversal of 13636145639 is 93654163631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13636145639 - 2¹² = 13636141543 is a prime.

Together with 13636145641, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13636145593 and 13636145602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13636145669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6818072819 + 6818072820.

It is an arithmetic number, because the mean of its divisors is an integer number (6818072820).

Almost surely, 2^13636145639 is an apocalyptic number.

13636145639 is a deficient number, since it is larger than the sum of its proper divisors (1).

13636145639 is an equidigital number, since it uses as much as digits as its factorization.

13636145639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 47.

The spelling of 13636145639 in words is "thirteen billion, six hundred thirty-six million, one hundred forty-five thousand, six hundred thirty-nine".