4999438445 has 4 divisors (see below), whose sum is σ = 5999326140. Its totient is φ = 3999550752.

The previous prime is 4999438397. The next prime is 4999438453. The reversal of 4999438445 is 5448349994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1020099721 + 3979338724 = 31939^2 + 63082^2 .

It is a cyclic number.

It is not a de Polignac number, because 4999438445 - 2¹⁶ = 4999372909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499943840 + ... + 499943849.

It is an arithmetic number, because the mean of its divisors is an integer number (1499831535).

Almost surely, 2^4999438445 is an apocalyptic number.

It is an amenable number.

4999438445 is a deficient number, since it is larger than the sum of its proper divisors (999887695).

4999438445 is an equidigital number, since it uses as much as digits as its factorization.

4999438445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999887694.

The product of its digits is 22394880, while the sum is 59.

The square root of 4999438445 is about 70706.7072136725. The cubic root of 4999438445 is about 1709.9119279105.

The spelling of 4999438445 in words is "four billion, nine hundred ninety-nine million, four hundred thirty-eight thousand, four hundred forty-five".