5628559381 has 2 divisors, whose sum is σ = 5628559382. Its totient is φ = 5628559380.

The previous prime is 5628559319. The next prime is 5628559403. The reversal of 5628559381 is 1839558265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3437476900 + 2191082481 = 58630^2 + 46809^2 .

It is a cyclic number.

It is not a de Polignac number, because 5628559381 - 2²⁵ = 5595004949 is a prime.

It is a super-2 number, since 2×5628559381² = 63361361410886206322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5628559301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2814279690 + 2814279691.

It is an arithmetic number, because the mean of its divisors is an integer number (2814279691).

Almost surely, 2^5628559381 is an apocalyptic number.

It is an amenable number.

5628559381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5628559381 is an equidigital number, since it uses as much as digits as its factorization.

5628559381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 52.

The square root of 5628559381 is about 75023.7254540189. The cubic root of 5628559381 is about 1778.8216942891.

The spelling of 5628559381 in words is "five billion, six hundred twenty-eight million, five hundred fifty-nine thousand, three hundred eighty-one".