4638494363 has 2 divisors, whose sum is σ = 4638494364. Its totient is φ = 4638494362.

The previous prime is 4638494327. The next prime is 4638494389. The reversal of 4638494363 is 3634948364.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4638494363 - 2¹⁰ = 4638493339 is a prime.

It is not a weakly prime, because it can be changed into another prime (4638494563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319247181 + 2319247182.

It is an arithmetic number, because the mean of its divisors is an integer number (2319247182).

Almost surely, 2^4638494363 is an apocalyptic number.

4638494363 is a deficient number, since it is larger than the sum of its proper divisors (1).

4638494363 is an equidigital number, since it uses as much as digits as its factorization.

4638494363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 50.

The square root of 4638494363 is about 68106.4928108914. The cubic root of 4638494363 is about 1667.7297564310.

The spelling of 4638494363 in words is "four billion, six hundred thirty-eight million, four hundred ninety-four thousand, three hundred sixty-three".