4892443809 has 32 divisors (see below), whose sum is σ = 7292313600. Its totient is φ = 2891972160.

The previous prime is 4892443747. The next prime is 4892443813. The reversal of 4892443809 is 9083442984.

It is not a de Polignac number, because 4892443809 - 2²³ = 4884055201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4892443849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1174272 + ... + 1178430.

It is an arithmetic number, because the mean of its divisors is an integer number (227884800).

Almost surely, 2^4892443809 is an apocalyptic number.

It is an amenable number.

4892443809 is a deficient number, since it is larger than the sum of its proper divisors (2399869791).

4892443809 is a wasteful number, since it uses less digits than its factorization.

4892443809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 4892443809 is about 69946.0063834955. The cubic root of 4892443809 is about 1697.6257292804.

The spelling of 4892443809 in words is "four billion, eight hundred ninety-two million, four hundred forty-three thousand, eight hundred nine".