4991041933 has 2 divisors, whose sum is σ = 4991041934. Its totient is φ = 4991041932.

The previous prime is 4991041873. The next prime is 4991041997. The reversal of 4991041933 is 3391401994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4950248164 + 40793769 = 70358^2 + 6387^2 .

It is a cyclic number.

It is not a de Polignac number, because 4991041933 - 2²⁹ = 4454171021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4991041933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4991042933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495520966 + 2495520967.

It is an arithmetic number, because the mean of its divisors is an integer number (2495520967).

Almost surely, 2^4991041933 is an apocalyptic number.

It is an amenable number.

4991041933 is a deficient number, since it is larger than the sum of its proper divisors (1).

4991041933 is an equidigital number, since it uses as much as digits as its factorization.

4991041933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 4991041933 is about 70647.3066224042. The cubic root of 4991041933 is about 1708.9541309273.

The spelling of 4991041933 in words is "four billion, nine hundred ninety-one million, forty-one thousand, nine hundred thirty-three".