2819243980566 has 96 divisors (see below), whose sum is σ = 6864853911552. Its totient is φ = 829670592960.

The previous prime is 2819243980561. The next prime is 2819243980667. The reversal of 2819243980566 is 6650893429182.

2819243980566 is a `hidden beast` number, since 2 + 8 + 19 + 24 + 39 + 8 + 0 + 566 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2819243980561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104779471 + ... + 104806373.

It is an arithmetic number, because the mean of its divisors is an integer number (71508894912).

Almost surely, 2^{2819243980566} is an apocalyptic number.

2819243980566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2819243980566 is an abundant number, since it is smaller than the sum of its proper divisors (4045609930986).

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

2819243980566 is a wasteful number, since it uses less digits than its factorization.

2819243980566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46418 (or 46415 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 2819243980566 in words is "two trillion, eight hundred nineteen billion, two hundred forty-three million, nine hundred eighty thousand, five hundred sixty-six".