2239655629 has 2 divisors, whose sum is σ = 2239655630. Its totient is φ = 2239655628.

The previous prime is 2239655623. The next prime is 2239655641. The reversal of 2239655629 is 9265569322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2239655625 + 4 = 47325^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 2239655629 - 2¹³ = 2239647437 is a prime.

It is a super-2 number, since 2×2239655629² = 10032114673022771282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2239655623) 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 as a sum of consecutive naturals, namely, 1119827814 + 1119827815.

It is an arithmetic number, because the mean of its divisors is an integer number (1119827815).

Almost surely, 2^2239655629 is an apocalyptic number.

It is an amenable number.

2239655629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239655629 is an equidigital number, since it uses as much as digits as its factorization.

2239655629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 49.

The square root of 2239655629 is about 47325.0000422610. Note that the first 4 decimals coincide. The cubic root of 2239655629 is about 1308.3594694262.

The spelling of 2239655629 in words is "two billion, two hundred thirty-nine million, six hundred fifty-five thousand, six hundred twenty-nine".