481895566057 has 2 divisors, whose sum is σ = 481895566058. Its totient is φ = 481895566056.

The previous prime is 481895566043. The next prime is 481895566069. The reversal of 481895566057 is 750665598184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431529434281 + 50366131776 = 656909^2 + 224424^2 .

It is a cyclic number.

It is not a de Polignac number, because 481895566057 - 2¹⁵ = 481895533289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481895566057.

It is not a weakly prime, because it can be changed into another prime (481895566027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240947783028 + 240947783029.

It is an arithmetic number, because the mean of its divisors is an integer number (240947783029).

Almost surely, 2^481895566057 is an apocalyptic number.

It is an amenable number.

481895566057 is a deficient number, since it is larger than the sum of its proper divisors (1).

481895566057 is an equidigital number, since it uses as much as digits as its factorization.

481895566057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576000, while the sum is 64.

The spelling of 481895566057 in words is "four hundred eighty-one billion, eight hundred ninety-five million, five hundred sixty-six thousand, fifty-seven".