465444005446649 has 2 divisors, whose sum is σ = 465444005446650. Its totient is φ = 465444005446648.

The previous prime is 465444005446639. The next prime is 465444005446699. The reversal of 465444005446649 is 946644500444564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427942246165225 + 37501759281424 = 20686765^2 + 6123868^2 .

It is a cyclic number.

It is not a de Polignac number, because 465444005446649 - 2²⁸ = 465443737011193 is a prime.

It is not a weakly prime, because it can be changed into another prime (465444005446639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232722002723324 + 232722002723325.

It is an arithmetic number, because the mean of its divisors is an integer number (232722002723325).

Almost surely, 2^{465444005446649} is an apocalyptic number.

It is an amenable number.

465444005446649 is a deficient number, since it is larger than the sum of its proper divisors (1).

465444005446649 is an equidigital number, since it uses as much as digits as its factorization.

465444005446649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 796262400, while the sum is 65.

The spelling of 465444005446649 in words is "four hundred sixty-five trillion, four hundred forty-four billion, five million, four hundred forty-six thousand, six hundred forty-nine".