3644360012 has 12 divisors (see below), whose sum is σ = 6378865416. Its totient is φ = 1821827040.

The previous prime is 3644360003. The next prime is 3644360017. The reversal of 3644360012 is 2100634463.

It is not an unprimeable number, because it can be changed into a prime (3644360017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64289 + ... + 106872.

It is an arithmetic number, because the mean of its divisors is an integer number (531572118).

Almost surely, 2^3644360012 is an apocalyptic number.

It is an amenable number.

3644360012 is a deficient number, since it is larger than the sum of its proper divisors (2734505404).

3644360012 is a wasteful number, since it uses less digits than its factorization.

3644360012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176488 (or 176486 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 3644360012 is about 60368.5349499224. The cubic root of 3644360012 is about 1538.8882756188. Note that the first 3 decimals are identical.

Adding to 3644360012 its reverse (2100634463), we get a palindrome (5744994475).

The spelling of 3644360012 in words is "three billion, six hundred forty-four million, three hundred sixty thousand, twelve".