13809993750 has 336 divisors, whose sum is σ = 44468591328. Its totient is φ = 3149280000.

The previous prime is 13809993697. The next prime is 13809993767. The reversal of 13809993750 is 5739990831.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 31893534 + ... + 31893966.

It is an arithmetic number, because the mean of its divisors is an integer number (132346998).

Almost surely, 2^13809993750 is an apocalyptic number.

13809993750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13809993750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22234295664).

13809993750 is an abundant number, since it is smaller than the sum of its proper divisors (30658597578).

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

13809993750 is an frugal number, since it uses more digits than its factorization.

13809993750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 13809993750 in words is "thirteen billion, eight hundred nine million, nine hundred ninety-three thousand, seven hundred fifty".