4503612665 has 4 divisors (see below), whose sum is σ = 5404335204. Its totient is φ = 3602890128.

The previous prime is 4503612661. The next prime is 4503612671. The reversal of 4503612665 is 5662163054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2342850409 + 2160762256 = 48403^2 + 46484^2 .

It is a cyclic number.

It is not a de Polignac number, because 4503612665 - 2² = 4503612661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4503612661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450361262 + ... + 450361271.

It is an arithmetic number, because the mean of its divisors is an integer number (1351083801).

Almost surely, 2^4503612665 is an apocalyptic number.

It is an amenable number.

4503612665 is a deficient number, since it is larger than the sum of its proper divisors (900722539).

4503612665 is an equidigital number, since it uses as much as digits as its factorization.

4503612665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900722538.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 4503612665 is about 67108.9611378391. The cubic root of 4503612665 is about 1651.4053120856.

The spelling of 4503612665 in words is "four billion, five hundred three million, six hundred twelve thousand, six hundred sixty-five".