5641268291 has 2 divisors, whose sum is σ = 5641268292. Its totient is φ = 5641268290.

The previous prime is 5641268279. The next prime is 5641268323. The reversal of 5641268291 is 1928621465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5641268291 - 2¹⁴ = 5641251907 is a prime.

It is not a weakly prime, because it can be changed into another prime (5641268791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820634145 + 2820634146.

It is an arithmetic number, because the mean of its divisors is an integer number (2820634146).

Almost surely, 2^5641268291 is an apocalyptic number.

5641268291 is a deficient number, since it is larger than the sum of its proper divisors (1).

5641268291 is an equidigital number, since it uses as much as digits as its factorization.

5641268291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 5641268291 is about 75108.3769695498. The cubic root of 5641268291 is about 1780.1595079674.

The spelling of 5641268291 in words is "five billion, six hundred forty-one million, two hundred sixty-eight thousand, two hundred ninety-one".