2239839941 has 2 divisors, whose sum is σ = 2239839942. Its totient is φ = 2239839940.

The previous prime is 2239839929. The next prime is 2239839961. The reversal of 2239839941 is 1499389322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2234452900 + 5387041 = 47270^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 2239839941 - 2¹⁸ = 2239577797 is a prime.

It is a super-2 number, since 2×2239839941² = 10033765922597766962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2239839941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2239839961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119919970 + 1119919971.

It is an arithmetic number, because the mean of its divisors is an integer number (1119919971).

Almost surely, 2^2239839941 is an apocalyptic number.

It is an amenable number.

2239839941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239839941 is an equidigital number, since it uses as much as digits as its factorization.

2239839941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The square root of 2239839941 is about 47326.9473027788. The cubic root of 2239839941 is about 1308.3953588330.

The spelling of 2239839941 in words is "two billion, two hundred thirty-nine million, eight hundred thirty-nine thousand, nine hundred forty-one".