2781594804 has 12 divisors (see below), whose sum is σ = 6490387904. Its totient is φ = 927198264.

The previous prime is 2781594773. The next prime is 2781594817. The reversal of 2781594804 is 4084951872.

It is a happy number.

2781594804 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115899772 + ... + 115899795.

Almost surely, 2^2781594804 is an apocalyptic number.

It is an amenable number.

2781594804 is an abundant number, since it is smaller than the sum of its proper divisors (3708793100).

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

2781594804 is a wasteful number, since it uses less digits than its factorization.

2781594804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231799574 (or 231799572 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 2781594804 is about 52740.8267284463. The cubic root of 2781594804 is about 1406.3646950560.

The spelling of 2781594804 in words is "two billion, seven hundred eighty-one million, five hundred ninety-four thousand, eight hundred four".