5638753279 has 2 divisors, whose sum is σ = 5638753280. Its totient is φ = 5638753278.

The previous prime is 5638753259. The next prime is 5638753297. The reversal of 5638753279 is 9723578365.

5638753279 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (5638753297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5638753279 - 2⁷ = 5638753151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5638753259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819376639 + 2819376640.

It is an arithmetic number, because the mean of its divisors is an integer number (2819376640).

Almost surely, 2^5638753279 is an apocalyptic number.

5638753279 is a deficient number, since it is larger than the sum of its proper divisors (1).

5638753279 is an equidigital number, since it uses as much as digits as its factorization.

5638753279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 55.

The square root of 5638753279 is about 75091.6325498387. The cubic root of 5638753279 is about 1779.8949227834.

The spelling of 5638753279 in words is "five billion, six hundred thirty-eight million, seven hundred fifty-three thousand, two hundred seventy-nine".