3653246745 has 64 divisors (see below), whose sum is σ = 6843432960. Its totient is φ = 1845429696.

The previous prime is 3653246731. The next prime is 3653246747. The reversal of 3653246745 is 5476423563.

3653246745 is a `hidden beast` number, since 3 + 6 + 532 + 46 + 74 + 5 = 666.

It is not a de Polignac number, because 3653246745 - 2⁵ = 3653246713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3653246745.

It is not an unprimeable number, because it can be changed into a prime (3653246747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 314104 + ... + 325526.

It is an arithmetic number, because the mean of its divisors is an integer number (106928640).

Almost surely, 2^3653246745 is an apocalyptic number.

It is an amenable number.

3653246745 is a deficient number, since it is larger than the sum of its proper divisors (3190186215).

3653246745 is a wasteful number, since it uses less digits than its factorization.

3653246745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563 (or 11557 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The square root of 3653246745 is about 60442.0941480356. The cubic root of 3653246745 is about 1540.1381144752.

The spelling of 3653246745 in words is "three billion, six hundred fifty-three million, two hundred forty-six thousand, seven hundred forty-five".