461528655857 has 2 divisors, whose sum is σ = 461528655858. Its totient is φ = 461528655856.

The previous prime is 461528655823. The next prime is 461528655919. The reversal of 461528655857 is 758556825164.

It is an a-pointer prime, because the next prime (461528655919) can be obtained adding 461528655857 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370334319601 + 91194336256 = 608551^2 + 301984^2 .

It is a cyclic number.

It is not a de Polignac number, because 461528655857 - 2¹² = 461528651761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461528655857.

It is not a weakly prime, because it can be changed into another prime (461528655817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230764327928 + 230764327929.

It is an arithmetic number, because the mean of its divisors is an integer number (230764327929).

Almost surely, 2^461528655857 is an apocalyptic number.

It is an amenable number.

461528655857 is a deficient number, since it is larger than the sum of its proper divisors (1).

461528655857 is an equidigital number, since it uses as much as digits as its factorization.

461528655857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640000, while the sum is 62.

The spelling of 461528655857 in words is "four hundred sixty-one billion, five hundred twenty-eight million, six hundred fifty-five thousand, eight hundred fifty-seven".