3612643356 has 48 divisors (see below), whose sum is σ = 10140757760. Its totient is φ = 977857920.

The previous prime is 3612643339. The next prime is 3612643367. The reversal of 3612643356 is 6533462163.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1130185 + ... + 1133376.

Almost surely, 2^3612643356 is an apocalyptic number.

It is an amenable number.

3612643356 is an abundant number, since it is smaller than the sum of its proper divisors (6528114404).

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

3612643356 is a wasteful number, since it uses less digits than its factorization.

3612643356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263594 (or 2263592 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The square root of 3612643356 is about 60105.2689537282. The cubic root of 3612643356 is about 1534.4109763860.

The spelling of 3612643356 in words is "three billion, six hundred twelve million, six hundred forty-three thousand, three hundred fifty-six".