4611233918609 has 2 divisors, whose sum is σ = 4611233918610. Its totient is φ = 4611233918608.

The previous prime is 4611233918597. The next prime is 4611233918633. The reversal of 4611233918609 is 9068193321164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3717588891025 + 893645027584 = 1928105^2 + 945328^2 .

It is a cyclic number.

It is not a de Polignac number, because 4611233918609 - 2²⁰ = 4611232870033 is a prime.

It is a super-2 number, since 2×4611233918609² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4611233918909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2305616959304 + 2305616959305.

It is an arithmetic number, because the mean of its divisors is an integer number (2305616959305).

Almost surely, 2^{4611233918609} is an apocalyptic number.

It is an amenable number.

4611233918609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4611233918609 is an equidigital number, since it uses as much as digits as its factorization.

4611233918609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 4611233918609 in words is "four trillion, six hundred eleven billion, two hundred thirty-three million, nine hundred eighteen thousand, six hundred nine".