1920068782443 has 16 divisors (see below), whose sum is σ = 3250910108160. Its totient is φ = 1097182161288.

The previous prime is 1920068782441. The next prime is 1920068782447. The reversal of 1920068782443 is 3442878600291.

1920068782443 is a `hidden beast` number, since 192 + 0 + 0 + 6 + 8 + 7 + 8 + 2 + 443 = 666.

It is not a de Polignac number, because 1920068782443 - 2¹ = 1920068782441 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1920068782443.

It is not an unprimeable number, because it can be changed into a prime (1920068782441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5079546855 + ... + 5079547232.

It is an arithmetic number, because the mean of its divisors is an integer number (203181881760).

Almost surely, 2^{1920068782443} is an apocalyptic number.

1920068782443 is a deficient number, since it is larger than the sum of its proper divisors (1330841325717).

1920068782443 is a wasteful number, since it uses less digits than its factorization.

1920068782443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159094103 (or 10159094097 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 1920068782443 in words is "one trillion, nine hundred twenty billion, sixty-eight million, seven hundred eighty-two thousand, four hundred forty-three".