485456381497 has 2 divisors, whose sum is σ = 485456381498. Its totient is φ = 485456381496.

The previous prime is 485456381489. The next prime is 485456381611. The reversal of 485456381497 is 794183654584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272913252921 + 212543128576 = 522411^2 + 461024^2 .

It is a cyclic number.

It is not a de Polignac number, because 485456381497 - 2³ = 485456381489 is a prime.

It is a super-2 number, since 2×485456381497² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (485456381437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242728190748 + 242728190749.

It is an arithmetic number, because the mean of its divisors is an integer number (242728190749).

Almost surely, 2^485456381497 is an apocalyptic number.

It is an amenable number.

485456381497 is a deficient number, since it is larger than the sum of its proper divisors (1).

485456381497 is an equidigital number, since it uses as much as digits as its factorization.

485456381497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116121600, while the sum is 64.

The spelling of 485456381497 in words is "four hundred eighty-five billion, four hundred fifty-six million, three hundred eighty-one thousand, four hundred ninety-seven".