13813338505 has 16 divisors (see below), whose sum is σ = 17338043520. Its totient is φ = 10544942848.

The previous prime is 13813338503. The next prime is 13813338547. The reversal of 13813338505 is 50583331831.

It is not a de Polignac number, because 13813338505 - 2¹ = 13813338503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13813338503) 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, 95152 + ... + 191521.

It is an arithmetic number, because the mean of its divisors is an integer number (1083627720).

Almost surely, 2^13813338505 is an apocalyptic number.

It is an amenable number.

13813338505 is a deficient number, since it is larger than the sum of its proper divisors (3524705015).

13813338505 is a wasteful number, since it uses less digits than its factorization.

13813338505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287120.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 13813338505 in words is "thirteen billion, eight hundred thirteen million, three hundred thirty-eight thousand, five hundred five".