461804128057 has 2 divisors, whose sum is σ = 461804128058. Its totient is φ = 461804128056.

The previous prime is 461804128021. The next prime is 461804128133. The reversal of 461804128057 is 750821408164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461721609001 + 82519056 = 679501^2 + 9084^2 .

It is a cyclic number.

It is not a de Polignac number, because 461804128057 - 2³⁵ = 427444389689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461804127998 and 461804128016.

It is not a weakly prime, because it can be changed into another prime (461804122057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230902064028 + 230902064029.

It is an arithmetic number, because the mean of its divisors is an integer number (230902064029).

Almost surely, 2^461804128057 is an apocalyptic number.

It is an amenable number.

461804128057 is a deficient number, since it is larger than the sum of its proper divisors (1).

461804128057 is an equidigital number, since it uses as much as digits as its factorization.

461804128057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 461804128057 in words is "four hundred sixty-one billion, eight hundred four million, one hundred twenty-eight thousand, fifty-seven".