3201881650 has 24 divisors (see below), whose sum is σ = 6496910064. Its totient is φ = 1164320400.

The previous prime is 3201881647. The next prime is 3201881659. The reversal of 3201881650 is 561881023.

It is a super-2 number, since 2×3201881650² = 20504092201213445000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3201881659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2910252 + ... + 2911351.

It is an arithmetic number, because the mean of its divisors is an integer number (270704586).

Almost surely, 2^3201881650 is an apocalyptic number.

3201881650 is an abundant number, since it is smaller than the sum of its proper divisors (3295028414).

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

3201881650 is a wasteful number, since it uses less digits than its factorization.

3201881650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821626 (or 5821621 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 3201881650 is about 56585.1716441684. The cubic root of 3201881650 is about 1473.9013786059.

The spelling of 3201881650 in words is "three billion, two hundred one million, eight hundred eighty-one thousand, six hundred fifty".