6319109 has 4 divisors (see below), whose sum is σ = 6324204. Its totient is φ = 6314016.

The previous prime is 6319091. The next prime is 6319111. The reversal of 6319109 is 9019136.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 664225 + 5654884 = 815^2 + 2378^2 .

It is a cyclic number.

It is not a de Polignac number, because 6319109 - 2¹⁶ = 6253573 is a prime.

It is a super-2 number, since 2×6319109² = 79862277107762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6316109) 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, 659 + ... + 3615.

It is an arithmetic number, because the mean of its divisors is an integer number (1581051).

Almost surely, 2^6319109 is an apocalyptic number.

It is an amenable number.

6319109 is a deficient number, since it is larger than the sum of its proper divisors (5095).

6319109 is a wasteful number, since it uses less digits than its factorization.

6319109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 6319109 is about 2513.7838013640. The cubic root of 6319109 is about 184.8780203940.

The spelling of 6319109 in words is "six million, three hundred nineteen thousand, one hundred nine".