13639013551 has 2 divisors, whose sum is σ = 13639013552. Its totient is φ = 13639013550.

The previous prime is 13639013513. The next prime is 13639013573. The reversal of 13639013551 is 15531093631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13639013551 - 2⁹ = 13639013039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13639013551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13639013051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6819506775 + 6819506776.

It is an arithmetic number, because the mean of its divisors is an integer number (6819506776).

Almost surely, 2^13639013551 is an apocalyptic number.

13639013551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13639013551 is an equidigital number, since it uses as much as digits as its factorization.

13639013551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

It can be divided in two parts, 136390 and 13551, that added together give a palindrome (149941).

The spelling of 13639013551 in words is "thirteen billion, six hundred thirty-nine million, thirteen thousand, five hundred fifty-one".