4540439699 has 4 divisors (see below), whose sum is σ = 4560441864. Its totient is φ = 4520437536.

The previous prime is 4540439681. The next prime is 4540439711. The reversal of 4540439699 is 9969340454.

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 4540439699 - 2²⁰ = 4539391123 is a prime.

It is a super-3 number, since 3×4540439699³ (a number of 30 digits) contains 333 as substring.

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 4540439699.

It is not an unprimeable number, because it can be changed into a prime (4540439639) 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, 10000742 + ... + 10001195.

It is an arithmetic number, because the mean of its divisors is an integer number (1140110466).

Almost surely, 2^4540439699 is an apocalyptic number.

4540439699 is a deficient number, since it is larger than the sum of its proper divisors (20002165).

4540439699 is a wasteful number, since it uses less digits than its factorization.

4540439699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002164.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The square root of 4540439699 is about 67382.7848860523. The cubic root of 4540439699 is about 1655.8943999570.

The spelling of 4540439699 in words is "four billion, five hundred forty million, four hundred thirty-nine thousand, six hundred ninety-nine".