4811389994 has 4 divisors (see below), whose sum is σ = 7217084994. Its totient is φ = 2405694996.

The previous prime is 4811389993. The next prime is 4811390039. The reversal of 4811389994 is 4999831184.

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., 3044280625 + 1767109369 = 55175^2 + 42037^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4811389991) 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 as a sum of consecutive naturals, namely, 1202847497 + ... + 1202847500.

Almost surely, 2^4811389994 is an apocalyptic number.

4811389994 is a deficient number, since it is larger than the sum of its proper divisors (2405695000).

4811389994 is a wasteful number, since it uses less digits than its factorization.

4811389994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405694999.

The product of its digits is 2239488, while the sum is 56.

The square root of 4811389994 is about 69364.1837982687. The cubic root of 4811389994 is about 1688.1985395445.

The spelling of 4811389994 in words is "four billion, eight hundred eleven million, three hundred eighty-nine thousand, nine hundred ninety-four".