321161530441463 has 4 divisors (see below), whose sum is σ = 321161587179888. Its totient is φ = 321161473703040.

The previous prime is 321161530441447. The next prime is 321161530441517. The reversal of 321161530441463 is 364144035161123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321161530441463 - 2⁴ = 321161530441447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321161530441403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18803483 + ... + 31557788.

It is an arithmetic number, because the mean of its divisors is an integer number (80290396794972).

Almost surely, 2^{321161530441463} is an apocalyptic number.

321161530441463 is a deficient number, since it is larger than the sum of its proper divisors (56738425).

321161530441463 is an equidigital number, since it uses as much as digits as its factorization.

321161530441463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56738424.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 321161530441463 in words is "three hundred twenty-one trillion, one hundred sixty-one billion, five hundred thirty million, four hundred forty-one thousand, four hundred sixty-three".