4540922639 has 4 divisors (see below), whose sum is σ = 4953733800. Its totient is φ = 4128111480.

The previous prime is 4540922621. The next prime is 4540922713. The reversal of 4540922639 is 9362290454.

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 4540922639 - 2⁸ = 4540922383 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 4540922639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545922639) 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, 206405564 + ... + 206405585.

It is an arithmetic number, because the mean of its divisors is an integer number (1238433450).

Almost surely, 2^4540922639 is an apocalyptic number.

4540922639 is a deficient number, since it is larger than the sum of its proper divisors (412811161).

4540922639 is a wasteful number, since it uses less digits than its factorization.

4540922639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412811160.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 4540922639 is about 67386.3683470181. The cubic root of 4540922639 is about 1655.9531071412.

The spelling of 4540922639 in words is "four billion, five hundred forty million, nine hundred twenty-two thousand, six hundred thirty-nine".