464561018897 has 2 divisors, whose sum is σ = 464561018898. Its totient is φ = 464561018896.

The previous prime is 464561018893. The next prime is 464561018947. The reversal of 464561018897 is 798810165464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236856449041 + 227704569856 = 486679^2 + 477184^2 .

It is a cyclic number.

It is not a de Polignac number, because 464561018897 - 2² = 464561018893 is a prime.

It is not a weakly prime, because it can be changed into another prime (464561018893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232280509448 + 232280509449.

It is an arithmetic number, because the mean of its divisors is an integer number (232280509449).

Almost surely, 2^464561018897 is an apocalyptic number.

It is an amenable number.

464561018897 is a deficient number, since it is larger than the sum of its proper divisors (1).

464561018897 is an equidigital number, since it uses as much as digits as its factorization.

464561018897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 464561018897 in words is "four hundred sixty-four billion, five hundred sixty-one million, eighteen thousand, eight hundred ninety-seven".