5370309809 has 4 divisors (see below), whose sum is σ = 5686210404. Its totient is φ = 5054409216.

The previous prime is 5370309803. The next prime is 5370309811. The reversal of 5370309809 is 9089030735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9089030735 = 5 ⋅1817806147.

It can be written as a sum of positive squares in 2 ways, for example, as 4994531584 + 375778225 = 70672^2 + 19385^2 .

It is a cyclic number.

It is not a de Polignac number, because 5370309809 - 2²⁴ = 5353532593 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 5370309809.

It is not an unprimeable number, because it can be changed into a prime (5370309803) 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, 157950272 + ... + 157950305.

It is an arithmetic number, because the mean of its divisors is an integer number (1421552601).

Almost surely, 2^5370309809 is an apocalyptic number.

It is an amenable number.

5370309809 is a deficient number, since it is larger than the sum of its proper divisors (315900595).

5370309809 is a wasteful number, since it uses less digits than its factorization.

5370309809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315900594.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 5370309809 is about 73282.3976750215. The cubic root of 5370309809 is about 1751.1893747595.

The spelling of 5370309809 in words is "five billion, three hundred seventy million, three hundred nine thousand, eight hundred nine".