5645037263 has 2 divisors, whose sum is σ = 5645037264. Its totient is φ = 5645037262.

The previous prime is 5645037247. The next prime is 5645037331. The reversal of 5645037263 is 3627305465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5645037263 - 2⁴ = 5645037247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5645037263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5645037863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822518631 + 2822518632.

It is an arithmetic number, because the mean of its divisors is an integer number (2822518632).

Almost surely, 2^5645037263 is an apocalyptic number.

5645037263 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645037263 is an equidigital number, since it uses as much as digits as its factorization.

5645037263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 41.

The square root of 5645037263 is about 75133.4630041768. The cubic root of 5645037263 is about 1780.5558655095. Note that the first 3 decimals are identical.

The spelling of 5645037263 in words is "five billion, six hundred forty-five million, thirty-seven thousand, two hundred sixty-three".