4539873811 has 4 divisors (see below), whose sum is σ = 4952589624. Its totient is φ = 4127158000.

The previous prime is 4539873743. The next prime is 4539873827. The reversal of 4539873811 is 1183789354.

It is a happy number.

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 4539873811 - 2⁷ = 4539873683 is a prime.

It is a super-2 number, since 2×4539873811² = 41220908439607327442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4539876811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206357890 + ... + 206357911.

It is an arithmetic number, because the mean of its divisors is an integer number (1238147406).

Almost surely, 2^4539873811 is an apocalyptic number.

4539873811 is a deficient number, since it is larger than the sum of its proper divisors (412715813).

4539873811 is a wasteful number, since it uses less digits than its factorization.

4539873811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412715812.

The product of its digits is 725760, while the sum is 49.

The square root of 4539873811 is about 67378.5857005028. The cubic root of 4539873811 is about 1655.8256041454.

The spelling of 4539873811 in words is "four billion, five hundred thirty-nine million, eight hundred seventy-three thousand, eight hundred eleven".