3645709249724 has 24 divisors (see below), whose sum is σ = 6796693223040. Its totient is φ = 1706108701104.

The previous prime is 3645709249669. The next prime is 3645709249739. The reversal of 3645709249724 is 4279429075463.

It is a happy number.

3645709249724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

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, 288968744 + ... + 288981359.

It is an arithmetic number, because the mean of its divisors is an integer number (283195550960).

Almost surely, 2^{3645709249724} is an apocalyptic number.

It is an amenable number.

3645709249724 is a deficient number, since it is larger than the sum of its proper divisors (3150983973316).

3645709249724 is a wasteful number, since it uses less digits than its factorization.

3645709249724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577950209 (or 577950207 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 62.

The spelling of 3645709249724 in words is "three trillion, six hundred forty-five billion, seven hundred nine million, two hundred forty-nine thousand, seven hundred twenty-four".