13813199790 has 96 divisors (see below), whose sum is σ = 37056393216. Its totient is φ = 3290451840.

The previous prime is 13813199767. The next prime is 13813199797. The reversal of 13813199790 is 9799131831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813199797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113227 + ... + 201113.

It is an arithmetic number, because the mean of its divisors is an integer number (386004096).

Almost surely, 2^13813199790 is an apocalyptic number.

13813199790 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 13813199790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18528196608).

13813199790 is an abundant number, since it is smaller than the sum of its proper divisors (23243193426).

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

13813199790 is a wasteful number, since it uses less digits than its factorization.

13813199790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87954 (or 87941 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 51.

The spelling of 13813199790 in words is "thirteen billion, eight hundred thirteen million, one hundred ninety-nine thousand, seven hundred ninety".