5637643028 has 6 divisors (see below), whose sum is σ = 9865875306. Its totient is φ = 2818821512.

The previous prime is 5637643013. The next prime is 5637643057. The reversal of 5637643028 is 8203467365.

It can be written as a sum of positive squares in only one way, i.e., 3812815504 + 1824827524 = 61748^2 + 42718^2 .

It is a super-2 number, since 2×5637643028² = 63566037822314017568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5637643028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704705375 + ... + 704705382.

It is an arithmetic number, because the mean of its divisors is an integer number (1644312551).

Almost surely, 2^5637643028 is an apocalyptic number.

It is an amenable number.

5637643028 is a deficient number, since it is larger than the sum of its proper divisors (4228232278).

5637643028 is a wasteful number, since it uses less digits than its factorization.

5637643028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409410761 (or 1409410759 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The square root of 5637643028 is about 75084.2395446608. The cubic root of 5637643028 is about 1779.7780967327.

The spelling of 5637643028 in words is "five billion, six hundred thirty-seven million, six hundred forty-three thousand, twenty-eight".