13851429924 has 48 divisors (see below), whose sum is σ = 32946206720. Its totient is φ = 4528461600.

The previous prime is 13851429883. The next prime is 13851429929. The reversal of 13851429924 is 42992415831.

It is a happy number.

It is a super-2 number, since 2×13851429924² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 94767 + ... + 191529.

Almost surely, 2^13851429924 is an apocalyptic number.

It is an amenable number.

13851429924 is an abundant number, since it is smaller than the sum of its proper divisors (19094776796).

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

13851429924 is a wasteful number, since it uses less digits than its factorization.

13851429924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97000 (or 96998 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 13851429924 in words is "thirteen billion, eight hundred fifty-one million, four hundred twenty-nine thousand, nine hundred twenty-four".