2042789636 has 24 divisors (see below), whose sum is σ = 3770585280. Its totient is φ = 965695392.

The previous prime is 2042789633. The next prime is 2042789641. The reversal of 2042789636 is 6369872402.

It is not an unprimeable number, because it can be changed into a prime (2042789633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11510 + ... + 64946.

It is an arithmetic number, because the mean of its divisors is an integer number (157107720).

Almost surely, 2^2042789636 is an apocalyptic number.

It is an amenable number.

2042789636 is a deficient number, since it is larger than the sum of its proper divisors (1727795644).

2042789636 is a wasteful number, since it uses less digits than its factorization.

2042789636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53963 (or 53961 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 2042789636 is about 45197.2304018731. The cubic root of 2042789636 is about 1268.8429820278.

The spelling of 2042789636 in words is "two billion, forty-two million, seven hundred eighty-nine thousand, six hundred thirty-six".