4609020665 has 16 divisors (see below), whose sum is σ = 5825320320. Its totient is φ = 3491112960.

The previous prime is 4609020659. The next prime is 4609020667. The reversal of 4609020665 is 5660209064.

It is not a de Polignac number, because 4609020665 - 2⁴ = 4609020649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4609020667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160697 + ... + 187193.

It is an arithmetic number, because the mean of its divisors is an integer number (364082520).

Almost surely, 2^4609020665 is an apocalyptic number.

It is an amenable number.

4609020665 is a deficient number, since it is larger than the sum of its proper divisors (1216299655).

4609020665 is a wasteful number, since it uses less digits than its factorization.

4609020665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28352.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 4609020665 is about 67889.7684853911. The cubic root of 4609020665 is about 1664.1899121465.

The spelling of 4609020665 in words is "four billion, six hundred nine million, twenty thousand, six hundred sixty-five".