4182645109 has 4 divisors (see below), whose sum is σ = 4194494316. Its totient is φ = 4170795904.

The previous prime is 4182645091. The next prime is 4182645179. The reversal of 4182645109 is 9015462814.

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 2275576209 + 1907068900 = 47703^2 + 43670^2 .

It is a cyclic number.

It is not a de Polignac number, because 4182645109 - 2¹¹ = 4182643061 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 (4182645179) 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, 5924074 + ... + 5924779.

It is an arithmetic number, because the mean of its divisors is an integer number (1048623579).

Almost surely, 2^4182645109 is an apocalyptic number.

It is an amenable number.

4182645109 is a deficient number, since it is larger than the sum of its proper divisors (11849207).

4182645109 is a wasteful number, since it uses less digits than its factorization.

4182645109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11849206.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 4182645109 is about 64673.3724882196. The cubic root of 4182645109 is about 1611.2032861274.

The spelling of 4182645109 in words is "four billion, one hundred eighty-two million, six hundred forty-five thousand, one hundred nine".