13851429925 has 24 divisors (see below), whose sum is σ = 17667619200. Its totient is φ = 10767223680.

The previous prime is 13851429883. The next prime is 13851429929. The reversal of 13851429925 is 52992415831.

It is not a de Polignac number, because 13851429925 - 2³¹ = 11703946277 is a prime.

It is a super-2 number, since 2×13851429925² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851429929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120921 + ... + 205729.

It is an arithmetic number, because the mean of its divisors is an integer number (736150800).

Almost surely, 2^13851429925 is an apocalyptic number.

It is an amenable number.

13851429925 is a deficient number, since it is larger than the sum of its proper divisors (3816189275).

13851429925 is a wasteful number, since it uses less digits than its factorization.

13851429925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85005 (or 85000 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The spelling of 13851429925 in words is "thirteen billion, eight hundred fifty-one million, four hundred twenty-nine thousand, nine hundred twenty-five".