5631346636 has 12 divisors (see below), whose sum is σ = 9857406328. Its totient is φ = 2814944832.

The previous prime is 5631346631. The next prime is 5631346639. The reversal of 5631346636 is 6366431365.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5631346592 and 5631346601.

It is not an unprimeable number, because it can be changed into a prime (5631346631) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 164541 + ... + 195796.

Almost surely, 2^5631346636 is an apocalyptic number.

It is an amenable number.

5631346636 is a deficient number, since it is larger than the sum of its proper divisors (4226059692).

5631346636 is a wasteful number, since it uses less digits than its factorization.

5631346636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364248 (or 364246 counting only the distinct ones).

The product of its digits is 699840, while the sum is 43.

The square root of 5631346636 is about 75042.2989786427. The cubic root of 5631346636 is about 1779.1152692016.

The spelling of 5631346636 in words is "five billion, six hundred thirty-one million, three hundred forty-six thousand, six hundred thirty-six".