2438278033 has 2 divisors, whose sum is σ = 2438278034. Its totient is φ = 2438278032.

The previous prime is 2438278027. The next prime is 2438278049. The reversal of 2438278033 is 3308728342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2236154944 + 202123089 = 47288^2 + 14217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2438278033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2438278333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219139016 + 1219139017.

It is an arithmetic number, because the mean of its divisors is an integer number (1219139017).

Almost surely, 2^2438278033 is an apocalyptic number.

It is an amenable number.

2438278033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438278033 is an equidigital number, since it uses as much as digits as its factorization.

2438278033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 2438278033 is about 49378.9229631429. The cubic root of 2438278033 is about 1345.9463281162.

The spelling of 2438278033 in words is "two billion, four hundred thirty-eight million, two hundred seventy-eight thousand, thirty-three".