42773894804 has 12 divisors (see below), whose sum is σ = 74857564404. Its totient is φ = 21386019264.

The previous prime is 42773894797. The next prime is 42773894819. The reversal of 42773894804 is 40849837724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28072332304 + 14701562500 = 167548^2 + 121250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42773894804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122609 + ... + 317144.

It is an arithmetic number, because the mean of its divisors is an integer number (6238130367).

Almost surely, 2^42773894804 is an apocalyptic number.

It is an amenable number.

42773894804 is a deficient number, since it is larger than the sum of its proper divisors (32083669600).

42773894804 is a wasteful number, since it uses less digits than its factorization.

42773894804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464074 (or 464072 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 42773894804 in words is "forty-two billion, seven hundred seventy-three million, eight hundred ninety-four thousand, eight hundred four".