5228643641 has 16 divisors (see below), whose sum is σ = 6123219984. Its totient is φ = 4419753984.

The previous prime is 5228643583. The next prime is 5228643643. The reversal of 5228643641 is 1463468225.

It can be written as a sum of positive squares in 8 ways, for example, as 124970041 + 5103673600 = 11179^2 + 71440^2 .

It is a cyclic number.

It is not a de Polignac number, because 5228643641 - 2⁶ = 5228643577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5228643643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311540 + ... + 327893.

It is an arithmetic number, because the mean of its divisors is an integer number (382701249).

Almost surely, 2^5228643641 is an apocalyptic number.

It is an amenable number.

5228643641 is a deficient number, since it is larger than the sum of its proper divisors (894576343).

5228643641 is a wasteful number, since it uses less digits than its factorization.

5228643641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639500.

The product of its digits is 276480, while the sum is 41.

The square root of 5228643641 is about 72309.3606734287. The cubic root of 5228643641 is about 1735.6534443152.

The spelling of 5228643641 in words is "five billion, two hundred twenty-eight million, six hundred forty-three thousand, six hundred forty-one".