13945818795620 has 96 divisors (see below), whose sum is σ = 30013262294400. Its totient is φ = 5443192110720.

The previous prime is 13945818795599. The next prime is 13945818795637. The reversal of 13945818795620 is 2659781854931.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1849329050 + ... + 1849336590.

It is an arithmetic number, because the mean of its divisors is an integer number (312638148900).

It is a 2-persistent number, because it is pandigital, and so is 2⋅13945818795620 = 27891637591240, but 3⋅13945818795620 = 41837456386860 is not.

Almost surely, 2^{13945818795620} is an apocalyptic number.

13945818795620 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 13945818795620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15006631147200).

13945818795620 is an abundant number, since it is smaller than the sum of its proper divisors (16067443498780).

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

13945818795620 is an equidigital number, since it uses as much as digits as its factorization.

13945818795620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8842 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 68.

The spelling of 13945818795620 in words is "thirteen trillion, nine hundred forty-five billion, eight hundred eighteen million, seven hundred ninety-five thousand, six hundred twenty".