2847623642 has 4 divisors (see below), whose sum is σ = 4271435466. Its totient is φ = 1423811820.

The previous prime is 2847623633. The next prime is 2847623663. The reversal of 2847623642 is 2463267482.

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., 2390134321 + 457489321 = 48889^2 + 21389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2847623593 and 2847623602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711905909 + ... + 711905912.

Almost surely, 2^2847623642 is an apocalyptic number.

2847623642 is a deficient number, since it is larger than the sum of its proper divisors (1423811824).

2847623642 is a wasteful number, since it uses less digits than its factorization.

2847623642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423811823.

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

The square root of 2847623642 is about 53363.1299869114. The cubic root of 2847623642 is about 1417.4057709375.

The spelling of 2847623642 in words is "two billion, eight hundred forty-seven million, six hundred twenty-three thousand, six hundred forty-two".