13939454923776 has 616 divisors, whose sum is σ = 44583465453120. Its totient is φ = 4341310193664.

The previous prime is 13939454923763. The next prime is 13939454923837. The reversal of 13939454923776 is 67732945493931.

13939454923776 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 9 + 4 + 549 + 2 + 3 + 7 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1035383221 + ... + 1035396683.

Almost surely, 2^{13939454923776} is an apocalyptic number.

13939454923776 is a gapful number since it is divisible by the number (16) 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 13939454923776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22291732726560).

13939454923776 is an abundant number, since it is smaller than the sum of its proper divisors (30644010529344).

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

13939454923776 is an equidigital number, since it uses as much as digits as its factorization.

13939454923776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593 (or 13560 counting only the distinct ones).

The product of its digits is 925888320, while the sum is 72.

The spelling of 13939454923776 in words is "thirteen trillion, nine hundred thirty-nine billion, four hundred fifty-four million, nine hundred twenty-three thousand, seven hundred seventy-six".