485643469 has 2 divisors, whose sum is σ = 485643470. Its totient is φ = 485643468.

The previous prime is 485643461. The next prime is 485643497. The reversal of 485643469 is 964346584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259532100 + 226111369 = 16110^2 + 15037^2 .

It is a cyclic number.

It is not a de Polignac number, because 485643469 - 2³ = 485643461 is a prime.

It is a super-2 number, since 2×485643469² = 471699157964707922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485643461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242821734 + 242821735.

It is an arithmetic number, because the mean of its divisors is an integer number (242821735).

Almost surely, 2^485643469 is an apocalyptic number.

It is an amenable number.

485643469 is a deficient number, since it is larger than the sum of its proper divisors (1).

485643469 is an equidigital number, since it uses as much as digits as its factorization.

485643469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 49.

The square root of 485643469 is about 22037.3199141819. The cubic root of 485643469 is about 786.0301128861.

The spelling of 485643469 in words is "four hundred eighty-five million, six hundred forty-three thousand, four hundred sixty-nine".