3600381999636 has 48 divisors (see below), whose sum is σ = 9336110956480. Its totient is φ = 1199897543520.

The previous prime is 3600381999611. The next prime is 3600381999661. The reversal of 3600381999636 is 6369991830063.

3600381999636 is a `hidden beast` number, since 3 + 600 + 3 + 8 + 19 + 9 + 9 + 6 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (3600381999611) and next prime (3600381999661).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

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, 2624395 + ... + 3753426.

Almost surely, 2^{3600381999636} is an apocalyptic number.

3600381999636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3600381999636 is an abundant number, since it is smaller than the sum of its proper divisors (5735728956844).

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

3600381999636 is a wasteful number, since it uses less digits than its factorization.

3600381999636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383061 (or 6383053 counting only the distinct ones).

The product of its (nonzero) digits is 34012224, while the sum is 63.

The spelling of 3600381999636 in words is "three trillion, six hundred billion, three hundred eighty-one million, nine hundred ninety-nine thousand, six hundred thirty-six".