5631565388 has 6 divisors (see below), whose sum is σ = 9855239436. Its totient is φ = 2815782692.

The previous prime is 5631565349. The next prime is 5631565417. The reversal of 5631565388 is 8835651365.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703945670 + ... + 703945677.

It is an arithmetic number, because the mean of its divisors is an integer number (1642539906).

Almost surely, 2^5631565388 is an apocalyptic number.

It is an amenable number.

5631565388 is a deficient number, since it is larger than the sum of its proper divisors (4223674048).

5631565388 is a wasteful number, since it uses less digits than its factorization.

5631565388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407891351 (or 1407891349 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 50.

The square root of 5631565388 is about 75043.7564891311. The cubic root of 5631565388 is about 1779.1383057273.

The spelling of 5631565388 in words is "five billion, six hundred thirty-one million, five hundred sixty-five thousand, three hundred eighty-eight".