2825779042 has 4 divisors (see below), whose sum is σ = 4238668566. Its totient is φ = 1412889520.

The previous prime is 2825779039. The next prime is 2825779063. The reversal of 2825779042 is 2409775282.

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

It can be written as a sum of positive squares in only one way, i.e., 2366919801 + 458859241 = 48651^2 + 21421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2825778983 and 2825779001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706444759 + ... + 706444762.

Almost surely, 2^2825779042 is an apocalyptic number.

2825779042 is a deficient number, since it is larger than the sum of its proper divisors (1412889524).

2825779042 is a wasteful number, since it uses less digits than its factorization.

2825779042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412889523.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 2825779042 is about 53158.0571691630. The cubic root of 2825779042 is about 1413.7720774416.

The spelling of 2825779042 in words is "two billion, eight hundred twenty-five million, seven hundred seventy-nine thousand, forty-two".