13925345309 has 16 divisors (see below), whose sum is σ = 15217848000. Its totient is φ = 12692050560.

The previous prime is 13925345299. The next prime is 13925345333. The reversal of 13925345309 is 90354352931.

13925345309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13925345309 - 2⁸ = 13925345053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13925345309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13925345339) 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, 109862 + ... + 199800.

It is an arithmetic number, because the mean of its divisors is an integer number (951115500).

Almost surely, 2^13925345309 is an apocalyptic number.

13925345309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13925345309 is a deficient number, since it is larger than the sum of its proper divisors (1292502691).

13925345309 is a wasteful number, since it uses less digits than its factorization.

13925345309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90268.

The product of its (nonzero) digits is 437400, while the sum is 44.

The spelling of 13925345309 in words is "thirteen billion, nine hundred twenty-five million, three hundred forty-five thousand, three hundred nine".