13799436534 has 80 divisors (see below), whose sum is σ = 34373834880. Its totient is φ = 4108993920.

The previous prime is 13799436533. The next prime is 13799436557. The reversal of 13799436534 is 43563499731.

13799436534 is a `hidden beast` number, since 1 + 3 + 79 + 9 + 4 + 36 + 534 = 666.

13799436534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799436533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40399 + ... + 170970.

It is an arithmetic number, because the mean of its divisors is an integer number (429672936).

Almost surely, 2^13799436534 is an apocalyptic number.

13799436534 is an abundant number, since it is smaller than the sum of its proper divisors (20574398346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13799436534 is a wasteful number, since it uses less digits than its factorization.

13799436534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211427 (or 211418 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 54.

The spelling of 13799436534 in words is "thirteen billion, seven hundred ninety-nine million, four hundred thirty-six thousand, five hundred thirty-four".