3631221060 has 24 divisors (see below), whose sum is σ = 10167419136. Its totient is φ = 968325600.

The previous prime is 3631221037. The next prime is 3631221067. The reversal of 3631221060 is 601221363.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3631221060.

It is not an unprimeable number, because it can be changed into a prime (3631221067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30260116 + ... + 30260235.

It is an arithmetic number, because the mean of its divisors is an integer number (423642464).

Almost surely, 2^3631221060 is an apocalyptic number.

3631221060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3631221060 is an abundant number, since it is smaller than the sum of its proper divisors (6536198076).

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

3631221060 is a wasteful number, since it uses less digits than its factorization.

3631221060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60520363 (or 60520361 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3631221060 is about 60259.6138387892. The cubic root of 3631221060 is about 1537.0366723402.

The spelling of 3631221060 in words is "three billion, six hundred thirty-one million, two hundred twenty-one thousand, sixty".