13380720835 has 16 divisors (see below), whose sum is σ = 16938524160. Its totient is φ = 10119241440.

The previous prime is 13380720823. The next prime is 13380720839. The reversal of 13380720835 is 53802708331.

13380720835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13380720835 - 2⁵ = 13380720803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13380720839) 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 15 ways as a sum of consecutive naturals, for example, 108121 + ... + 196090.

It is an arithmetic number, because the mean of its divisors is an integer number (1058657760).

Almost surely, 2^13380720835 is an apocalyptic number.

13380720835 is a deficient number, since it is larger than the sum of its proper divisors (3557803325).

13380720835 is a wasteful number, since it uses less digits than its factorization.

13380720835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304698.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 13380720835 in words is "thirteen billion, three hundred eighty million, seven hundred twenty thousand, eight hundred thirty-five".