2638498941 has 40 divisors (see below), whose sum is σ = 4314340184. Its totient is φ = 1597034880.

The previous prime is 2638498931. The next prime is 2638498969. The reversal of 2638498941 is 1498948362.

2638498941 is a `hidden beast` number, since 2 + 63 + 8 + 498 + 94 + 1 = 666.

2638498941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66487716 + 2572011225 = 8154^2 + 50715^2 .

It is not a de Polignac number, because 2638498941 - 2⁷ = 2638498813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638498931) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43695 + ... + 84771.

Almost surely, 2^2638498941 is an apocalyptic number.

It is an amenable number.

2638498941 is a deficient number, since it is larger than the sum of its proper divisors (1675841243).

2638498941 is a wasteful number, since it uses less digits than its factorization.

2638498941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41163 (or 41154 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 2638498941 is about 51366.3210771416. The cubic root of 2638498941 is about 1381.8226530839.

The spelling of 2638498941 in words is "two billion, six hundred thirty-eight million, four hundred ninety-eight thousand, nine hundred forty-one".