321421102221463 has 2 divisors, whose sum is σ = 321421102221464. Its totient is φ = 321421102221462.

The previous prime is 321421102221397. The next prime is 321421102221481. The reversal of 321421102221463 is 364122201124123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321421102221463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321425102221463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160710551110731 + 160710551110732.

It is an arithmetic number, because the mean of its divisors is an integer number (160710551110732).

Almost surely, 2^{321421102221463} is an apocalyptic number.

321421102221463 is a deficient number, since it is larger than the sum of its proper divisors (1).

321421102221463 is an equidigital number, since it uses as much as digits as its factorization.

321421102221463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 321421102221463 its reverse (364122201124123), we get a palindrome (685543303345586).

The spelling of 321421102221463 in words is "three hundred twenty-one trillion, four hundred twenty-one billion, one hundred two million, two hundred twenty-one thousand, four hundred sixty-three".