6204645109 has 4 divisors (see below), whose sum is σ = 6681925516. Its totient is φ = 5727364704.

The previous prime is 6204645077. The next prime is 6204645127. The reversal of 6204645109 is 9015464026.

6204645109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9015464026 = 2 ⋅4507732013.

It can be written as a sum of positive squares in 2 ways, for example, as 2407374225 + 3797270884 = 49065^2 + 61622^2 .

It is a cyclic number.

It is not a de Polignac number, because 6204645109 - 2⁵ = 6204645077 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 (6204645409) 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, 238640184 + ... + 238640209.

It is an arithmetic number, because the mean of its divisors is an integer number (1670481379).

Almost surely, 2^6204645109 is an apocalyptic number.

It is an amenable number.

6204645109 is a deficient number, since it is larger than the sum of its proper divisors (477280407).

6204645109 is a wasteful number, since it uses less digits than its factorization.

6204645109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477280406.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 6204645109 is about 78769.5696890620. The cubic root of 6204645109 is about 1837.5492250468.

The spelling of 6204645109 in words is "six billion, two hundred four million, six hundred forty-five thousand, one hundred nine".