289420051800601 has 4 divisors (see below), whose sum is σ = 292403763674932. Its totient is φ = 286436339926272.

The previous prime is 289420051800557. The next prime is 289420051800673. The reversal of 289420051800601 is 106008150024982.

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 240931738944576 + 48488312856025 = 15521976^2 + 6963355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289420051800601 is a prime.

It is a super-2 number, since 2×289420051800601² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289420051800001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491855937020 + ... + 1491855937213.

It is an arithmetic number, because the mean of its divisors is an integer number (73100940918733).

Almost surely, 2^{289420051800601} is an apocalyptic number.

It is an amenable number.

289420051800601 is a deficient number, since it is larger than the sum of its proper divisors (2983711874331).

289420051800601 is an equidigital number, since it uses as much as digits as its factorization.

289420051800601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983711874330.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 289420051800601 in words is "two hundred eighty-nine trillion, four hundred twenty billion, fifty-one million, eight hundred thousand, six hundred one".