13929820000 has 60 divisors (see below), whose sum is σ = 34269495876. Its totient is φ = 5571920000.

The previous prime is 13929819997. The next prime is 13929820001. The reversal of 13929820000 is 2892931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13929820001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 328246 + ... + 368245.

Almost surely, 2^13929820000 is an apocalyptic number.

13929820000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13929820000 is an abundant number, since it is smaller than the sum of its proper divisors (20339675876).

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

13929820000 is an frugal number, since it uses more digits than its factorization.

13929820000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696521 (or 696498 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 13929820000 in words is "thirteen billion, nine hundred twenty-nine million, eight hundred twenty thousand".