4994943623 has 2 divisors, whose sum is σ = 4994943624. Its totient is φ = 4994943622.

The previous prime is 4994943617. The next prime is 4994943749. The reversal of 4994943623 is 3263494994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4994943623 - 2¹⁰ = 4994942599 is a prime.

It is a super-2 number, since 2×4994943623² = 49898923593896732258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4994945623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497471811 + 2497471812.

It is an arithmetic number, because the mean of its divisors is an integer number (2497471812).

Almost surely, 2^4994943623 is an apocalyptic number.

4994943623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4994943623 is an equidigital number, since it uses as much as digits as its factorization.

4994943623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 53.

The square root of 4994943623 is about 70674.9150901506. The cubic root of 4994943623 is about 1709.3993333916.

The spelling of 4994943623 in words is "four billion, nine hundred ninety-four million, nine hundred forty-three thousand, six hundred twenty-three".