5644838743 has 2 divisors, whose sum is σ = 5644838744. Its totient is φ = 5644838742.

The previous prime is 5644838681. The next prime is 5644838767. The reversal of 5644838743 is 3478384465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5644838743 - 2¹⁷ = 5644707671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5644838783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822419371 + 2822419372.

It is an arithmetic number, because the mean of its divisors is an integer number (2822419372).

Almost surely, 2^5644838743 is an apocalyptic number.

5644838743 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644838743 is an equidigital number, since it uses as much as digits as its factorization.

5644838743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 52.

The square root of 5644838743 is about 75132.1418768293. The cubic root of 5644838743 is about 1780.5349928929.

The spelling of 5644838743 in words is "five billion, six hundred forty-four million, eight hundred thirty-eight thousand, seven hundred forty-three".