13929743362920 has 512 divisors, whose sum is σ = 54507246796800. Its totient is φ = 2763808358400.

The previous prime is 13929743362903. The next prime is 13929743362939. The reversal of 13929743362920 is 2926334792931.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17414316 + ... + 18196644.

It is an arithmetic number, because the mean of its divisors is an integer number (106459466400).

Almost surely, 2^{13929743362920} is an apocalyptic number.

13929743362920 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 13929743362920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27253623398400).

13929743362920 is an abundant number, since it is smaller than the sum of its proper divisors (40577503433880).

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

13929743362920 is a wasteful number, since it uses less digits than its factorization.

13929743362920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782449 (or 782445 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 60.

The spelling of 13929743362920 in words is "thirteen trillion, nine hundred twenty-nine billion, seven hundred forty-three million, three hundred sixty-two thousand, nine hundred twenty".