5670319909 has 4 divisors (see below), whose sum is σ = 5673304620. Its totient is φ = 5667335200.

The previous prime is 5670319873. The next prime is 5670319933. The reversal of 5670319909 is 9099130765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9099130765 = 5 ⋅1819826153.

It can be written as a sum of positive squares in 2 ways, for example, as 1059502500 + 4610817409 = 32550^2 + 67903^2 .

It is a cyclic number.

It is not a de Polignac number, because 5670319909 - 2²¹ = 5668222757 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5670319939) 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, 1489504 + ... + 1493305.

It is an arithmetic number, because the mean of its divisors is an integer number (1418326155).

Almost surely, 2^5670319909 is an apocalyptic number.

It is an amenable number.

5670319909 is a deficient number, since it is larger than the sum of its proper divisors (2984711).

5670319909 is a wasteful number, since it uses less digits than its factorization.

5670319909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984710.

The product of its (nonzero) digits is 459270, while the sum is 49.

The square root of 5670319909 is about 75301.5266047110. The cubic root of 5670319909 is about 1783.2101216026.

The spelling of 5670319909 in words is "five billion, six hundred seventy million, three hundred nineteen thousand, nine hundred nine".