485459173457 has 2 divisors, whose sum is σ = 485459173458. Its totient is φ = 485459173456.

The previous prime is 485459173429. The next prime is 485459173481. The reversal of 485459173457 is 754371954584.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260708275216 + 224750898241 = 510596^2 + 474079^2 .

It is a cyclic number.

It is not a de Polignac number, because 485459173457 - 2⁶ = 485459173393 is a prime.

It is a super-2 number, since 2×485459173457² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 485459173457.

It is not a weakly prime, because it can be changed into another prime (485459175457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242729586728 + 242729586729.

It is an arithmetic number, because the mean of its divisors is an integer number (242729586729).

Almost surely, 2^485459173457 is an apocalyptic number.

It is an amenable number.

485459173457 is a deficient number, since it is larger than the sum of its proper divisors (1).

485459173457 is an equidigital number, since it uses as much as digits as its factorization.

485459173457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672000, while the sum is 62.

The spelling of 485459173457 in words is "four hundred eighty-five billion, four hundred fifty-nine million, one hundred seventy-three thousand, four hundred fifty-seven".