7849819459944 has 512 divisors, whose sum is σ = 27637521408000. Its totient is φ = 2005158758400.

The previous prime is 7849819459883. The next prime is 7849819459967. The reversal of 7849819459944 is 4499549189487.

7849819459944 is a `hidden beast` number, since 7 + 8 + 4 + 9 + 8 + 19 + 4 + 599 + 4 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 482968522 + ... + 482984774.

It is an arithmetic number, because the mean of its divisors is an integer number (53979534000).

Almost surely, 2^{7849819459944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7849819459944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13818760704000).

7849819459944 is an abundant number, since it is smaller than the sum of its proper divisors (19787701948056).

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

7849819459944 is a wasteful number, since it uses less digits than its factorization.

7849819459944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16766 (or 16756 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 81.

The spelling of 7849819459944 in words is "seven trillion, eight hundred forty-nine billion, eight hundred nineteen million, four hundred fifty-nine thousand, nine hundred forty-four".