464644471240309 has 2 divisors, whose sum is σ = 464644471240310. Its totient is φ = 464644471240308.

The previous prime is 464644471240249. The next prime is 464644471240343. The reversal of 464644471240309 is 903042174446464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432235326672900 + 32409144567409 = 20790270^2 + 5692903^2 .

It is a cyclic number.

It is not a de Polignac number, because 464644471240309 - 2⁹ = 464644471239797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464644471240399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232322235620154 + 232322235620155.

It is an arithmetic number, because the mean of its divisors is an integer number (232322235620155).

Almost surely, 2^{464644471240309} is an apocalyptic number.

It is an amenable number.

464644471240309 is a deficient number, since it is larger than the sum of its proper divisors (1).

464644471240309 is an equidigital number, since it uses as much as digits as its factorization.

464644471240309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55738368, while the sum is 58.

The spelling of 464644471240309 in words is "four hundred sixty-four trillion, six hundred forty-four billion, four hundred seventy-one million, two hundred forty thousand, three hundred nine".