4994945623 has 2 divisors, whose sum is σ = 4994945624. Its totient is φ = 4994945622.

The previous prime is 4994945537. The next prime is 4994945639. The reversal of 4994945623 is 3265494994.

It is a happy number.

4994945623 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 4994945623 - 2¹⁷ = 4994814551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4994945653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497472811 + 2497472812.

It is an arithmetic number, because the mean of its divisors is an integer number (2497472812).

Almost surely, 2^4994945623 is an apocalyptic number.

4994945623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4994945623 is an equidigital number, since it uses as much as digits as its factorization.

4994945623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 55.

The square root of 4994945623 is about 70674.9292394411. The cubic root of 4994945623 is about 1709.3995615422.

The spelling of 4994945623 in words is "four billion, nine hundred ninety-four million, nine hundred forty-five thousand, six hundred twenty-three".