5000050091 has 2 divisors, whose sum is σ = 5000050092. Its totient is φ = 5000050090.

The previous prime is 5000050087. The next prime is 5000050117. The reversal of 5000050091 is 1900500005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5000050091 - 2² = 5000050087 is a prime.

It is not a weakly prime, because it can be changed into another prime (5000050031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500025045 + 2500025046.

It is an arithmetic number, because the mean of its divisors is an integer number (2500025046).

Almost surely, 2^5000050091 is an apocalyptic number.

5000050091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5000050091 is an equidigital number, since it uses as much as digits as its factorization.

5000050091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 5000050091 is about 70711.0323146254. The cubic root of 5000050091 is about 1709.9816569513.

Adding to 5000050091 its reverse (1900500005), we get a palindrome (6900550096).

The spelling of 5000050091 in words is "five billion, fifty thousand, ninety-one".