4609161907 has 32 divisors (see below), whose sum is σ = 5696168832. Its totient is φ = 3639527424.

The previous prime is 4609161899. The next prime is 4609161929. The reversal of 4609161907 is 7091619064.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4609161907 - 2³ = 4609161899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4609161937) 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 31 ways as a sum of consecutive naturals, for example, 4622533 + ... + 4623529.

It is an arithmetic number, because the mean of its divisors is an integer number (178005276).

Almost surely, 2^4609161907 is an apocalyptic number.

4609161907 is a deficient number, since it is larger than the sum of its proper divisors (1087006925).

4609161907 is a wasteful number, since it uses less digits than its factorization.

4609161907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 4609161907 is about 67890.8087078067. The cubic root of 4609161907 is about 1664.2069114997.

The spelling of 4609161907 in words is "four billion, six hundred nine million, one hundred sixty-one thousand, nine hundred seven".