3621547212 has 48 divisors (see below), whose sum is σ = 9084311040. Its totient is φ = 1119310272.

The previous prime is 3621547211. The next prime is 3621547219. The reversal of 3621547212 is 2127451263.

It is not an unprimeable number, because it can be changed into a prime (3621547211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158263 + ... + 179694.

It is an arithmetic number, because the mean of its divisors is an integer number (189256480).

Almost surely, 2^3621547212 is an apocalyptic number.

It is an amenable number.

3621547212 is an abundant number, since it is smaller than the sum of its proper divisors (5462763828).

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

3621547212 is a wasteful number, since it uses less digits than its factorization.

3621547212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338030 (or 338028 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 3621547212 is about 60179.2922191679. The cubic root of 3621547212 is about 1535.6705310735.

Adding to 3621547212 its reverse (2127451263), we get a palindrome (5748998475).

The spelling of 3621547212 in words is "three billion, six hundred twenty-one million, five hundred forty-seven thousand, two hundred twelve".