4630640191 has 2 divisors, whose sum is σ = 4630640192. Its totient is φ = 4630640190.

The previous prime is 4630640167. The next prime is 4630640213. The reversal of 4630640191 is 1910460364.

4630640191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4630640191 - 2⁹ = 4630639679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4630640891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2315320095 + 2315320096.

It is an arithmetic number, because the mean of its divisors is an integer number (2315320096).

Almost surely, 2^4630640191 is an apocalyptic number.

4630640191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4630640191 is an equidigital number, since it uses as much as digits as its factorization.

4630640191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 4630640191 is about 68048.8074179114. The cubic root of 4630640191 is about 1666.7879252087.

The spelling of 4630640191 in words is "four billion, six hundred thirty million, six hundred forty thousand, one hundred ninety-one".