3643511012 has 12 divisors (see below), whose sum is σ = 6418371456. Its totient is φ = 1809690600.

The previous prime is 3643510999. The next prime is 3643511021. The reversal of 3643511012 is 2101153463.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015548 + ... + 3016755.

It is an arithmetic number, because the mean of its divisors is an integer number (534864288).

Almost surely, 2^3643511012 is an apocalyptic number.

It is an amenable number.

3643511012 is a deficient number, since it is larger than the sum of its proper divisors (2774860444).

3643511012 is a wasteful number, since it uses less digits than its factorization.

3643511012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032458 (or 6032456 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3643511012 is about 60361.5027314596. The cubic root of 3643511012 is about 1538.7687651413.

Adding to 3643511012 its reverse (2101153463), we get a palindrome (5744664475).

The spelling of 3643511012 in words is "three billion, six hundred forty-three million, five hundred eleven thousand, twelve".