5309499205 has 4 divisors (see below), whose sum is σ = 6371399052. Its totient is φ = 4247599360.

The previous prime is 5309499203. The next prime is 5309499233. The reversal of 5309499205 is 5029949035.

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 1770558084 + 3538941121 = 42078^2 + 59489^2 .

It is not a de Polignac number, because 5309499205 - 2¹ = 5309499203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5309499203) 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, 530949916 + ... + 530949925.

It is an arithmetic number, because the mean of its divisors is an integer number (1592849763).

Almost surely, 2^5309499205 is an apocalyptic number.

It is an amenable number.

5309499205 is a deficient number, since it is larger than the sum of its proper divisors (1061899847).

5309499205 is a wasteful number, since it uses less digits than its factorization.

5309499205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061899846.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 5309499205 is about 72866.3104939450. The cubic root of 5309499205 is about 1744.5544142436.

The spelling of 5309499205 in words is "five billion, three hundred nine million, four hundred ninety-nine thousand, two hundred five".