321371608450 has 12 divisors (see below), whose sum is σ = 597751191810. Its totient is φ = 128548643360.

The previous prime is 321371608423. The next prime is 321371608483. The reversal of 321371608450 is 54806173123.

It can be written as a sum of positive squares in 3 ways, for example, as 139159587681 + 182212020769 = 373041^2 + 426863^2 .

It is a super-2 number, since 2×321371608450² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3213716035 + ... + 3213716134.

Almost surely, 2^321371608450 is an apocalyptic number.

321371608450 is a deficient number, since it is larger than the sum of its proper divisors (276379583360).

321371608450 is a wasteful number, since it uses less digits than its factorization.

321371608450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427432181 (or 6427432176 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 321371608450 in words is "three hundred twenty-one billion, three hundred seventy-one million, six hundred eight thousand, four hundred fifty".