3643650212 has 6 divisors (see below), whose sum is σ = 6376387878. Its totient is φ = 1821825104.

The previous prime is 3643650211. The next prime is 3643650217. The reversal of 3643650212 is 2120563463.

It can be written as a sum of positive squares in only one way, i.e., 3473452096 + 170198116 = 58936^2 + 13046^2 .

It is not an unprimeable number, because it can be changed into a prime (3643650211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455456273 + ... + 455456280.

It is an arithmetic number, because the mean of its divisors is an integer number (1062731313).

Almost surely, 2^3643650212 is an apocalyptic number.

It is an amenable number.

3643650212 is a deficient number, since it is larger than the sum of its proper divisors (2732737666).

3643650212 is a wasteful number, since it uses less digits than its factorization.

3643650212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910912557 (or 910912555 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3643650212 is about 60362.6557732511. The cubic root of 3643650212 is about 1538.7883610643.

The spelling of 3643650212 in words is "three billion, six hundred forty-three million, six hundred fifty thousand, two hundred twelve".