3564705636 has 72 divisors (see below), whose sum is σ = 9352324800. Its totient is φ = 1143468480.

The previous prime is 3564705631. The next prime is 3564705637. The reversal of 3564705636 is 6365074653.

3564705636 is a `hidden beast` number, since 3 + 5 + 6 + 4 + 7 + 0 + 5 + 636 = 666.

3564705636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3564705591 and 3564705600.

It is not an unprimeable number, because it can be changed into a prime (3564705631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319195 + ... + 330173.

It is an arithmetic number, because the mean of its divisors is an integer number (129893400).

Almost surely, 2^3564705636 is an apocalyptic number.

3564705636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3564705636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4676162400).

3564705636 is an abundant number, since it is smaller than the sum of its proper divisors (5787619164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3564705636 is a wasteful number, since it uses less digits than its factorization.

3564705636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11329 (or 11324 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The square root of 3564705636 is about 59705.1558577649. The cubic root of 3564705636 is about 1527.5938136411.

The spelling of 3564705636 in words is "three billion, five hundred sixty-four million, seven hundred five thousand, six hundred thirty-six".