3652785812 has 24 divisors (see below), whose sum is σ = 6906262272. Its totient is φ = 1680472800.

The previous prime is 3652785749. The next prime is 3652785833. The reversal of 3652785812 is 2185872563.

3652785812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96764 + ... + 129107.

It is an arithmetic number, because the mean of its divisors is an integer number (287760928).

Almost surely, 2^3652785812 is an apocalyptic number.

It is an amenable number.

3652785812 is a deficient number, since it is larger than the sum of its proper divisors (3253476460).

3652785812 is a wasteful number, since it uses less digits than its factorization.

3652785812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226199 (or 226197 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 3652785812 is about 60438.2810146020. The cubic root of 3652785812 is about 1540.0733382739.

The spelling of 3652785812 in words is "three billion, six hundred fifty-two million, seven hundred eighty-five thousand, eight hundred twelve".