485609269 has 2 divisors, whose sum is σ = 485609270. Its totient is φ = 485609268.

The previous prime is 485609231. The next prime is 485609273. The reversal of 485609269 is 962906584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485320900 + 288369 = 22030^2 + 537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485609269 is a prime.

It is a super-2 number, since 2×485609269² = 471632724277428722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485609219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242804634 + 242804635.

It is an arithmetic number, because the mean of its divisors is an integer number (242804635).

Almost surely, 2^485609269 is an apocalyptic number.

It is an amenable number.

485609269 is a deficient number, since it is larger than the sum of its proper divisors (1).

485609269 is an equidigital number, since it uses as much as digits as its factorization.

485609269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 485609269 is about 22036.5439440943. The cubic root of 485609269 is about 786.0116611737.

The spelling of 485609269 in words is "four hundred eighty-five million, six hundred nine thousand, two hundred sixty-nine".