609191260441 has 2 divisors, whose sum is σ = 609191260442. Its totient is φ = 609191260440.

The previous prime is 609191260421. The next prime is 609191260463. The reversal of 609191260441 is 144062191906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 450548370441 + 158642890000 = 671229^2 + 398300^2 .

It is a cyclic number.

It is not a de Polignac number, because 609191260441 - 2⁵ = 609191260409 is a prime.

It is a super-2 number, since 2×609191260441² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (609191260421) 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 as a sum of consecutive naturals, namely, 304595630220 + 304595630221.

It is an arithmetic number, because the mean of its divisors is an integer number (304595630221).

Almost surely, 2^609191260441 is an apocalyptic number.

It is an amenable number.

609191260441 is a deficient number, since it is larger than the sum of its proper divisors (1).

609191260441 is an equidigital number, since it uses as much as digits as its factorization.

609191260441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 609191260441 in words is "six hundred nine billion, one hundred ninety-one million, two hundred sixty thousand, four hundred forty-one".