6365433645 has 48 divisors (see below), whose sum is σ = 11209041792. Its totient is φ = 3341036160.

The previous prime is 6365433587. The next prime is 6365433647. The reversal of 6365433645 is 5463345636.

6365433645 is a `hidden beast` number, since 6 + 36 + 543 + 36 + 45 = 666.

It is not a de Polignac number, because 6365433645 - 2⁹ = 6365433133 is a prime.

It is a super-3 number, since 3×6365433645³ (a number of 30 digits) contains 333 as substring.

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 6365433645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6365433647) 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, 2180727 + ... + 2183643.

It is an arithmetic number, because the mean of its divisors is an integer number (233521704).

Almost surely, 2^6365433645 is an apocalyptic number.

It is an amenable number.

6365433645 is a deficient number, since it is larger than the sum of its proper divisors (4843608147).

6365433645 is a wasteful number, since it uses less digits than its factorization.

6365433645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682 (or 3679 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 45.

The square root of 6365433645 is about 79783.6677835759. The cubic root of 6365433645 is about 1853.2869391245.

The spelling of 6365433645 in words is "six billion, three hundred sixty-five million, four hundred thirty-three thousand, six hundred forty-five".