4731320565 has 96 divisors (see below), whose sum is σ = 8988295680. Its totient is φ = 2383686144.

The previous prime is 4731320563. The next prime is 4731320567. The reversal of 4731320565 is 5650231374.

4731320565 is a `hidden beast` number, since 4 + 73 + 1 + 3 + 20 + 565 = 666.

It is an interprime number because it is at equal distance from previous prime (4731320563) and next prime (4731320567).

It is not a de Polignac number, because 4731320565 - 2¹ = 4731320563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4731320563) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1654617 + ... + 1657473.

It is an arithmetic number, because the mean of its divisors is an integer number (93628080).

Almost surely, 2^4731320565 is an apocalyptic number.

4731320565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4731320565 is a deficient number, since it is larger than the sum of its proper divisors (4256975115).

4731320565 is a wasteful number, since it uses less digits than its factorization.

4731320565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 4731320565 is about 68784.5954047852. The cubic root of 4731320565 is about 1678.7813068472.

The spelling of 4731320565 in words is "four billion, seven hundred thirty-one million, three hundred twenty thousand, five hundred sixty-five".