2238839069 has 2 divisors, whose sum is σ = 2238839070. Its totient is φ = 2238839068.

The previous prime is 2238839059. The next prime is 2238839081. The reversal of 2238839069 is 9609388322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2212573444 + 26265625 = 47038^2 + 5125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2238839069 is a prime.

It is a super-2 number, since 2×2238839069² = 10024800753761573522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2238839059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119419534 + 1119419535.

It is an arithmetic number, because the mean of its divisors is an integer number (1119419535).

Almost surely, 2^2238839069 is an apocalyptic number.

It is an amenable number.

2238839069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238839069 is an equidigital number, since it uses as much as digits as its factorization.

2238839069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 2238839069 is about 47316.3721031104. The cubic root of 2238839069 is about 1308.2004444019.

The spelling of 2238839069 in words is "two billion, two hundred thirty-eight million, eight hundred thirty-nine thousand, sixty-nine".