13504778430 has 64 divisors (see below), whose sum is σ = 38077820928. Its totient is φ = 3022047360.

The previous prime is 13504778389. The next prime is 13504778431. The reversal of 13504778430 is 3487740531.

13504778430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13504778431) 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 31 ways as a sum of consecutive naturals, for example, 1569694 + ... + 1578273.

It is an arithmetic number, because the mean of its divisors is an integer number (594965952).

Almost surely, 2^13504778430 is an apocalyptic number.

13504778430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13504778430 is an abundant number, since it is smaller than the sum of its proper divisors (24573042498).

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

13504778430 is a wasteful number, since it uses less digits than its factorization.

13504778430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148001.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 13504778430 in words is "thirteen billion, five hundred four million, seven hundred seventy-eight thousand, four hundred thirty".