4049319887 has 2 divisors, whose sum is σ = 4049319888. Its totient is φ = 4049319886.

The previous prime is 4049319863. The next prime is 4049319893. The reversal of 4049319887 is 7889139404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4049319887 - 2¹⁸ = 4049057743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4049313887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024659943 + 2024659944.

It is an arithmetic number, because the mean of its divisors is an integer number (2024659944).

Almost surely, 2^4049319887 is an apocalyptic number.

4049319887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4049319887 is an equidigital number, since it uses as much as digits as its factorization.

4049319887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 4049319887 is about 63634.2666100585. The cubic root of 4049319887 is about 1593.8986231113.

The spelling of 4049319887 in words is "four billion, forty-nine million, three hundred nineteen thousand, eight hundred eighty-seven".