13673199780 has 144 divisors (see below), whose sum is σ = 42664527360. Its totient is φ = 3541964544.

The previous prime is 13673199769. The next prime is 13673199797. The reversal of 13673199780 is 8799137631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5586517 + ... + 5588963.

It is an arithmetic number, because the mean of its divisors is an integer number (296281440).

Almost surely, 2^13673199780 is an apocalyptic number.

13673199780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13673199780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21332263680).

13673199780 is an abundant number, since it is smaller than the sum of its proper divisors (28991327580).

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

13673199780 is a wasteful number, since it uses less digits than its factorization.

13673199780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 13673199780 in words is "thirteen billion, six hundred seventy-three million, one hundred ninety-nine thousand, seven hundred eighty".