13719994800 has 60 divisors (see below), whose sum is σ = 43949720520. Its totient is φ = 3658664960.

The previous prime is 13719994793. The next prime is 13719994807. The reversal of 13719994800 is 849991731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13719994793) and next prime (13719994807).

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (13719994807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5715465 + ... + 5717864.

It is an arithmetic number, because the mean of its divisors is an integer number (732495342).

Almost surely, 2^13719994800 is an apocalyptic number.

13719994800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13719994800 is an abundant number, since it is smaller than the sum of its proper divisors (30229725720).

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

13719994800 is a wasteful number, since it uses less digits than its factorization.

13719994800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433350 (or 11433339 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 13719994800 in words is "thirteen billion, seven hundred nineteen million, nine hundred ninety-four thousand, eight hundred".