2783238434 has 4 divisors (see below), whose sum is σ = 4174857654. Its totient is φ = 1391619216.

The previous prime is 2783238421. The next prime is 2783238467. The reversal of 2783238434 is 4348323872.

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., 2782035025 + 1203409 = 52745^2 + 1097^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695809607 + ... + 695809610.

Almost surely, 2^2783238434 is an apocalyptic number.

2783238434 is a deficient number, since it is larger than the sum of its proper divisors (1391619220).

2783238434 is a wasteful number, since it uses less digits than its factorization.

2783238434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391619219.

The product of its digits is 774144, while the sum is 44.

The square root of 2783238434 is about 52756.4065683022. The cubic root of 2783238434 is about 1406.6416450580.

It can be divided in two parts, 27832 and 38434, that added together give a palindrome (66266).

The spelling of 2783238434 in words is "two billion, seven hundred eighty-three million, two hundred thirty-eight thousand, four hundred thirty-four".