3625809216 has 112 divisors (see below), whose sum is σ = 10446715200. Its totient is φ = 1105477632.

The previous prime is 3625809203. The next prime is 3625809221. The reversal of 3625809216 is 6129085263.

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, 88656 + ... + 122928.

Almost surely, 2^3625809216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3625809216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5223357600).

3625809216 is an abundant number, since it is smaller than the sum of its proper divisors (6820905984).

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

3625809216 is a wasteful number, since it uses less digits than its factorization.

3625809216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34336 (or 34326 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 3625809216 is about 60214.6926920664. The cubic root of 3625809216 is about 1536.2727109100.

The spelling of 3625809216 in words is "three billion, six hundred twenty-five million, eight hundred nine thousand, two hundred sixteen".