663271172359 has 2 divisors, whose sum is σ = 663271172360. Its totient is φ = 663271172358.

The previous prime is 663271172329. The next prime is 663271172437. The reversal of 663271172359 is 953271172366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663271172359 - 2¹³ = 663271164167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663271172329) 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, 331635586179 + 331635586180.

It is an arithmetic number, because the mean of its divisors is an integer number (331635586180).

Almost surely, 2^663271172359 is an apocalyptic number.

663271172359 is a deficient number, since it is larger than the sum of its proper divisors (1).

663271172359 is an equidigital number, since it uses as much as digits as its factorization.

663271172359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 52.

The spelling of 663271172359 in words is "six hundred sixty-three billion, two hundred seventy-one million, one hundred seventy-two thousand, three hundred fifty-nine".