3621271312 has 10 divisors (see below), whose sum is σ = 7016213198. Its totient is φ = 1810635648.

The previous prime is 3621271309. The next prime is 3621271343. The reversal of 3621271312 is 2131721263.

3621271312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2579014656 + 1042256656 = 50784^2 + 32284^2 .

It is a super-2 number, since 2×3621271312² = 26227211830228402688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113164713 + ... + 113164744.

Almost surely, 2^3621271312 is an apocalyptic number.

It is an amenable number.

3621271312 is a deficient number, since it is larger than the sum of its proper divisors (3394941886).

3621271312 is a wasteful number, since it uses less digits than its factorization.

3621271312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226329465 (or 226329459 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 3621271312 is about 60176.9998587500. Note that the first 3 decimals coincide. The cubic root of 3621271312 is about 1535.6315328006.

Adding to 3621271312 its reverse (2131721263), we get a palindrome (5752992575).

The spelling of 3621271312 in words is "three billion, six hundred twenty-one million, two hundred seventy-one thousand, three hundred twelve".