4438182061 has 4 divisors (see below), whose sum is σ = 4699251612. Its totient is φ = 4177112512.

The previous prime is 4438182017. The next prime is 4438182107. The reversal of 4438182061 is 1602818344.

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 2709202500 + 1728979561 = 52050^2 + 41581^2 .

It is a cyclic number.

It is not a de Polignac number, because 4438182061 - 2⁷ = 4438181933 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 4438182061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4438182461) 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, 130534750 + ... + 130534783.

It is an arithmetic number, because the mean of its divisors is an integer number (1174812903).

Almost surely, 2^4438182061 is an apocalyptic number.

It is an amenable number.

4438182061 is a deficient number, since it is larger than the sum of its proper divisors (261069551).

4438182061 is a wasteful number, since it uses less digits than its factorization.

4438182061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261069550.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 4438182061 is about 66619.6822343067. The cubic root of 4438182061 is about 1643.3688016250.

The spelling of 4438182061 in words is "four billion, four hundred thirty-eight million, one hundred eighty-two thousand, sixty-one".