4645663565 has 8 divisors (see below), whose sum is σ = 5754628608. Its totient is φ = 3596642640.

The previous prime is 4645663549. The next prime is 4645663567. The reversal of 4645663565 is 5653665464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4645663565 - 2⁴ = 4645663549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645663567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14985857 + ... + 14986166.

It is an arithmetic number, because the mean of its divisors is an integer number (719328576).

Almost surely, 2^4645663565 is an apocalyptic number.

It is an amenable number.

4645663565 is a deficient number, since it is larger than the sum of its proper divisors (1108965043).

4645663565 is a wasteful number, since it uses less digits than its factorization.

4645663565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29972059.

The product of its digits is 7776000, while the sum is 50.

The square root of 4645663565 is about 68159.1047843206. The cubic root of 4645663565 is about 1668.5885219427.

The spelling of 4645663565 in words is "four billion, six hundred forty-five million, six hundred sixty-three thousand, five hundred sixty-five".