4999438205 has 18 divisors (see below), whose sum is σ = 6077934846. Its totient is φ = 3947818608.

The previous prime is 4999438193. The next prime is 4999438253. The reversal of 4999438205 is 5028349994.

It can be written as a sum of positive squares in only one way, i.e., 3999550564 + 999887641 = 63242^2 + 31621^2 .

It is not a de Polignac number, because 4999438205 - 2⁶ = 4999438141 is a prime.

It is a super-2 number, since 2×4999438205² = 49988764731227244050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16284662 + ... + 16284968.

It is an arithmetic number, because the mean of its divisors is an integer number (337663047).

Almost surely, 2^4999438205 is an apocalyptic number.

It is an amenable number.

4999438205 is a deficient number, since it is larger than the sum of its proper divisors (1078496641).

4999438205 is an frugal number, since it uses more digits than its factorization.

4999438205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The square root of 4999438205 is about 70706.7055165208. The cubic root of 4999438205 is about 1709.9119005488.

The spelling of 4999438205 in words is "four billion, nine hundred ninety-nine million, four hundred thirty-eight thousand, two hundred five".