2806579042 has 4 divisors (see below), whose sum is σ = 4209868566. Its totient is φ = 1403289520.

The previous prime is 2806579033. The next prime is 2806579051. The reversal of 2806579042 is 2409756082.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2806579033) and next prime (2806579051).

It can be written as a sum of positive squares in only one way, i.e., 2786678521 + 19900521 = 52789^2 + 4461^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2806579042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701644759 + ... + 701644762.

Almost surely, 2^2806579042 is an apocalyptic number.

2806579042 is a deficient number, since it is larger than the sum of its proper divisors (1403289524).

2806579042 is a wasteful number, since it uses less digits than its factorization.

2806579042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403289523.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2806579042 is about 52977.1558504229. The cubic root of 2806579042 is about 1410.5627989873.

The spelling of 2806579042 in words is "two billion, eight hundred six million, five hundred seventy-nine thousand, forty-two".