4994229391 has 2 divisors, whose sum is σ = 4994229392. Its totient is φ = 4994229390.

The previous prime is 4994229377. The next prime is 4994229433. The reversal of 4994229391 is 1939224994.

4994229391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4994229391 - 2⁹ = 4994228879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4994229341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497114695 + 2497114696.

It is an arithmetic number, because the mean of its divisors is an integer number (2497114696).

Almost surely, 2^4994229391 is an apocalyptic number.

4994229391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4994229391 is an equidigital number, since it uses as much as digits as its factorization.

4994229391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 52.

The square root of 4994229391 is about 70669.8619709986. The cubic root of 4994229391 is about 1709.3178532659.

The spelling of 4994229391 in words is "four billion, nine hundred ninety-four million, two hundred twenty-nine thousand, three hundred ninety-one".