321061332463 has 2 divisors, whose sum is σ = 321061332464. Its totient is φ = 321061332462.

The previous prime is 321061332451. The next prime is 321061332469. The reversal of 321061332463 is 364233160123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321061332463 - 2¹³ = 321061324271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321061332469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160530666231 + 160530666232.

It is an arithmetic number, because the mean of its divisors is an integer number (160530666232).

Almost surely, 2^321061332463 is an apocalyptic number.

321061332463 is a deficient number, since it is larger than the sum of its proper divisors (1).

321061332463 is an equidigital number, since it uses as much as digits as its factorization.

321061332463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 321061332463 its reverse (364233160123), we get a palindrome (685294492586).

The spelling of 321061332463 in words is "three hundred twenty-one billion, sixty-one million, three hundred thirty-two thousand, four hundred sixty-three".