3645731210 has 96 divisors (see below), whose sum is σ = 7631305920. Its totient is φ = 1249585920.

The previous prime is 3645731183. The next prime is 3645731213. The reversal of 3645731210 is 121375463.

3645731210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3645731213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7977302 + ... + 7977758.

It is an arithmetic number, because the mean of its divisors is an integer number (79492770).

Almost surely, 2^3645731210 is an apocalyptic number.

3645731210 is an abundant number, since it is smaller than the sum of its proper divisors (3985574710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645731210 is a wasteful number, since it uses less digits than its factorization.

3645731210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3645731210 is about 60379.8907749923. The cubic root of 3645731210 is about 1539.0812547178.

The spelling of 3645731210 in words is "three billion, six hundred forty-five million, seven hundred thirty-one thousand, two hundred ten".