463564164989 has 2 divisors, whose sum is σ = 463564164990. Its totient is φ = 463564164988.

The previous prime is 463564164979. The next prime is 463564165237. The reversal of 463564164989 is 989461465364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332400677764 + 131163487225 = 576542^2 + 362165^2 .

It is a cyclic number.

It is not a de Polignac number, because 463564164989 - 2¹² = 463564160893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463564164929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231782082494 + 231782082495.

It is an arithmetic number, because the mean of its divisors is an integer number (231782082495).

Almost surely, 2^463564164989 is an apocalyptic number.

It is an amenable number.

463564164989 is a deficient number, since it is larger than the sum of its proper divisors (1).

463564164989 is an equidigital number, since it uses as much as digits as its factorization.

463564164989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134369280, while the sum is 65.

The spelling of 463564164989 in words is "four hundred sixty-three billion, five hundred sixty-four million, one hundred sixty-four thousand, nine hundred eighty-nine".