5657044387 has 2 divisors, whose sum is σ = 5657044388. Its totient is φ = 5657044386.

The previous prime is 5657044343. The next prime is 5657044391. The reversal of 5657044387 is 7834407565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5657044387 - 2¹⁹ = 5656520099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5657044387.

It is not a weakly prime, because it can be changed into another prime (5657044397) 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, 2828522193 + 2828522194.

It is an arithmetic number, because the mean of its divisors is an integer number (2828522194).

Almost surely, 2^5657044387 is an apocalyptic number.

5657044387 is a deficient number, since it is larger than the sum of its proper divisors (1).

5657044387 is an equidigital number, since it uses as much as digits as its factorization.

5657044387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The square root of 5657044387 is about 75213.3258605149. The cubic root of 5657044387 is about 1781.8173992444.

The spelling of 5657044387 in words is "five billion, six hundred fifty-seven million, forty-four thousand, three hundred eighty-seven".