2783900673 has 24 divisors (see below), whose sum is σ = 4071960360. Its totient is φ = 1832601600.

The previous prime is 2783900633. The next prime is 2783900681. The reversal of 2783900673 is 3760093872.

It is a happy number.

2783900673 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 can be written as a sum of positive squares in 4 ways, for example, as 159592689 + 2624307984 = 12633^2 + 51228^2 .

It is not a de Polignac number, because 2783900673 - 2¹⁰ = 2783899649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2783900633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349665 + ... + 357537.

It is an arithmetic number, because the mean of its divisors is an integer number (169665015).

Almost surely, 2^2783900673 is an apocalyptic number.

It is an amenable number.

2783900673 is a deficient number, since it is larger than the sum of its proper divisors (1288059687).

2783900673 is a wasteful number, since it uses less digits than its factorization.

2783900673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369 (or 8366 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 2783900673 is about 52762.6825796415. The cubic root of 2783900673 is about 1406.7532008477.

The spelling of 2783900673 in words is "two billion, seven hundred eighty-three million, nine hundred thousand, six hundred seventy-three".