479725871497 has 2 divisors, whose sum is σ = 479725871498. Its totient is φ = 479725871496.

The previous prime is 479725871479. The next prime is 479725871519. The reversal of 479725871497 is 794178527974.

Together with previous prime (479725871479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321688614976 + 158037256521 = 567176^2 + 397539^2 .

It is a cyclic number.

It is not a de Polignac number, because 479725871497 - 2²³ = 479717482889 is a prime.

It is not a weakly prime, because it can be changed into another prime (479725871447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239862935748 + 239862935749.

It is an arithmetic number, because the mean of its divisors is an integer number (239862935749).

Almost surely, 2^479725871497 is an apocalyptic number.

It is an amenable number.

479725871497 is a deficient number, since it is larger than the sum of its proper divisors (1).

479725871497 is an equidigital number, since it uses as much as digits as its factorization.

479725871497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248935680, while the sum is 70.

The spelling of 479725871497 in words is "four hundred seventy-nine billion, seven hundred twenty-five million, eight hundred seventy-one thousand, four hundred ninety-seven".