605721469 has 2 divisors, whose sum is σ = 605721470. Its totient is φ = 605721468.

The previous prime is 605721461. The next prime is 605721481. The reversal of 605721469 is 964127506.

605721469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422795844 + 182925625 = 20562^2 + 13525^2 .

It is a cyclic number.

It is not a de Polignac number, because 605721469 - 2³ = 605721461 is a prime.

It is a super-2 number, since 2×605721469² = 733796996015035922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605721461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302860734 + 302860735.

It is an arithmetic number, because the mean of its divisors is an integer number (302860735).

Almost surely, 2^605721469 is an apocalyptic number.

It is an amenable number.

605721469 is a deficient number, since it is larger than the sum of its proper divisors (1).

605721469 is an equidigital number, since it uses as much as digits as its factorization.

605721469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 605721469 is about 24611.4093257578. The cubic root of 605721469 is about 846.1051184894.

The spelling of 605721469 in words is "six hundred five million, seven hundred twenty-one thousand, four hundred sixty-nine".