2938338945 has 48 divisors (see below), whose sum is σ = 5193302400. Its totient is φ = 1536433920.

The previous prime is 2938338943. The next prime is 2938339031. The reversal of 2938338945 is 5498338392.

It is a happy number.

It is not a de Polignac number, because 2938338945 - 2¹ = 2938338943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2938338891 and 2938338900.

It is not an unprimeable number, because it can be changed into a prime (2938338943) 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 in 47 ways as a sum of consecutive naturals, for example, 1164285 + ... + 1166805.

It is an arithmetic number, because the mean of its divisors is an integer number (108193800).

Almost surely, 2^2938338945 is an apocalyptic number.

It is an amenable number.

2938338945 is a deficient number, since it is larger than the sum of its proper divisors (2254963455).

2938338945 is a wasteful number, since it uses less digits than its factorization.

2938338945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3027 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 2938338945 is about 54206.4474486200. The cubic root of 2938338945 is about 1432.2999071782.

The spelling of 2938338945 in words is "two billion, nine hundred thirty-eight million, three hundred thirty-eight thousand, nine hundred forty-five".