4345638263 has 2 divisors, whose sum is σ = 4345638264. Its totient is φ = 4345638262.

The previous prime is 4345638233. The next prime is 4345638281. The reversal of 4345638263 is 3628365434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4345638263 - 2¹⁰ = 4345637239 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4345638233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172819131 + 2172819132.

It is an arithmetic number, because the mean of its divisors is an integer number (2172819132).

Almost surely, 2^4345638263 is an apocalyptic number.

4345638263 is the 35237-th centered heptagonal number.

4345638263 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345638263 is an equidigital number, since it uses as much as digits as its factorization.

4345638263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 44.

The square root of 4345638263 is about 65921.4552554781. The cubic root of 4345638263 is about 1631.8661130983.

The spelling of 4345638263 in words is "four billion, three hundred forty-five million, six hundred thirty-eight thousand, two hundred sixty-three".