2239418045 has 8 divisors (see below), whose sum is σ = 2696475096. Its totient is φ = 1785418816.

The previous prime is 2239418039. The next prime is 2239418047. The reversal of 2239418045 is 5408149322.

It can be written as a sum of positive squares in 4 ways, for example, as 1181021956 + 1058396089 = 34366^2 + 32533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2239418045 - 2²² = 2235223741 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 (2239418047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762842 + ... + 765771.

It is an arithmetic number, because the mean of its divisors is an integer number (337059387).

Almost surely, 2^2239418045 is an apocalyptic number.

It is an amenable number.

2239418045 is a deficient number, since it is larger than the sum of its proper divisors (457057051).

2239418045 is a wasteful number, since it uses less digits than its factorization.

2239418045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528911.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2239418045 is about 47322.4898436251. The cubic root of 2239418045 is about 1308.3132039402.

The spelling of 2239418045 in words is "two billion, two hundred thirty-nine million, four hundred eighteen thousand, forty-five".