2938448837 has 2 divisors, whose sum is σ = 2938448838. Its totient is φ = 2938448836.

The previous prime is 2938448797. The next prime is 2938448893. The reversal of 2938448837 is 7388448392.

It is a happy number.

It is an a-pointer prime, because the next prime (2938448893) can be obtained adding 2938448837 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1992640321 + 945808516 = 44639^2 + 30754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2938448837 is a prime.

It is a super-3 number, since 3×2938448837³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2938448137) 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, 1469224418 + 1469224419.

It is an arithmetic number, because the mean of its divisors is an integer number (1469224419).

Almost surely, 2^2938448837 is an apocalyptic number.

It is an amenable number.

2938448837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2938448837 is an equidigital number, since it uses as much as digits as its factorization.

2938448837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 56.

The square root of 2938448837 is about 54207.4610824008. The cubic root of 2938448837 is about 1432.3177626562.

The spelling of 2938448837 in words is "two billion, nine hundred thirty-eight million, four hundred forty-eight thousand, eight hundred thirty-seven".