4138690441 has 2 divisors, whose sum is σ = 4138690442. Its totient is φ = 4138690440.

The previous prime is 4138690417. The next prime is 4138690453. The reversal of 4138690441 is 1440968314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2205241600 + 1933448841 = 46960^2 + 43971^2 .

It is a cyclic number.

It is not a de Polignac number, because 4138690441 - 2⁷ = 4138690313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4138690394 and 4138690403.

It is not a weakly prime, because it can be changed into another prime (4138690411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069345220 + 2069345221.

It is an arithmetic number, because the mean of its divisors is an integer number (2069345221).

Almost surely, 2^4138690441 is an apocalyptic number.

It is an amenable number.

4138690441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138690441 is an equidigital number, since it uses as much as digits as its factorization.

4138690441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 4138690441 is about 64332.6545465054. The cubic root of 4138690441 is about 1605.5394505934.

The spelling of 4138690441 in words is "four billion, one hundred thirty-eight million, six hundred ninety thousand, four hundred forty-one".