13639765336005 has 16 divisors (see below), whose sum is σ = 21854756686464. Its totient is φ = 7264164129600.

The previous prime is 13639765336003. The next prime is 13639765336013. The reversal of 13639765336005 is 50063356793631.

It is not a de Polignac number, because 13639765336005 - 2¹ = 13639765336003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13639765336003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648575569 + ... + 648596598.

It is an arithmetic number, because the mean of its divisors is an integer number (1365922292904).

Almost surely, 2^{13639765336005} is an apocalyptic number.

13639765336005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13639765336005 is a deficient number, since it is larger than the sum of its proper divisors (8214991350459).

13639765336005 is a wasteful number, since it uses less digits than its factorization.

13639765336005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297172876.

The product of its (nonzero) digits is 27556200, while the sum is 57.

The spelling of 13639765336005 in words is "thirteen trillion, six hundred thirty-nine billion, seven hundred sixty-five million, three hundred thirty-six thousand, five".