321341755463 has 4 divisors (see below), whose sum is σ = 322375009008. Its totient is φ = 320308501920.

The previous prime is 321341755457. The next prime is 321341755499. The reversal of 321341755463 is 364557143123.

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 321341755463 - 2²⁰ = 321340706887 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 (321341751463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516626306 + ... + 516626927.

It is an arithmetic number, because the mean of its divisors is an integer number (80593752252).

Almost surely, 2^321341755463 is an apocalyptic number.

321341755463 is a deficient number, since it is larger than the sum of its proper divisors (1033253545).

321341755463 is a wasteful number, since it uses less digits than its factorization.

321341755463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033253544.

The product of its digits is 907200, while the sum is 44.

Adding to 321341755463 its reverse (364557143123), we get a palindrome (685898898586).

The spelling of 321341755463 in words is "three hundred twenty-one billion, three hundred forty-one million, seven hundred fifty-five thousand, four hundred sixty-three".