3621918912 has 56 divisors (see below), whose sum is σ = 9587855856. Its totient is φ = 1206693888.

The previous prime is 3621918899. The next prime is 3621918919. The reversal of 3621918912 is 2198191263.

It is not an unprimeable number, because it can be changed into a prime (3621918919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529788 + ... + 536580.

Almost surely, 2^3621918912 is an apocalyptic number.

3621918912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3621918912 is an abundant number, since it is smaller than the sum of its proper divisors (5965936944).

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

3621918912 is a wasteful number, since it uses less digits than its factorization.

3621918912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585 (or 9575 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 3621918912 is about 60182.3804115457. The cubic root of 3621918912 is about 1535.7230674781.

The spelling of 3621918912 in words is "three billion, six hundred twenty-one million, nine hundred eighteen thousand, nine hundred twelve".