2042868847 has 4 divisors (see below), whose sum is σ = 2150388280. Its totient is φ = 1935349416.

The previous prime is 2042868803. The next prime is 2042868913. The reversal of 2042868847 is 7488682402.

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

It is a cyclic number.

It is not a de Polignac number, because 2042868847 - 2¹⁵ = 2042836079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042868847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042868647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53759688 + ... + 53759725.

It is an arithmetic number, because the mean of its divisors is an integer number (537597070).

Almost surely, 2^2042868847 is an apocalyptic number.

2042868847 is a deficient number, since it is larger than the sum of its proper divisors (107519433).

2042868847 is a wasteful number, since it uses less digits than its factorization.

2042868847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107519432.

The product of its (nonzero) digits is 1376256, while the sum is 49.

The square root of 2042868847 is about 45198.1066749482. The cubic root of 2042868847 is about 1268.8593819906.

The spelling of 2042868847 in words is "two billion, forty-two million, eight hundred sixty-eight thousand, eight hundred forty-seven".