321383869498858 has 16 divisors (see below), whose sum is σ = 486613232610120. Its totient is φ = 159180153868800.

The previous prime is 321383869498849. The next prime is 321383869498873. The reversal of 321383869498858 is 858894968383123.

It can be written as a sum of positive squares in 4 ways, for example, as 307605541683969 + 13778327814889 = 17538687^2 + 3711917^2 .

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 7 ways as a sum of consecutive naturals, for example, 172883283 + ... + 174732358.

Almost surely, 2^{321383869498858} is an apocalyptic number.

321383869498858 is a deficient number, since it is larger than the sum of its proper divisors (165229363111262).

321383869498858 is a wasteful number, since it uses less digits than its factorization.

321383869498858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347619993.

The product of its digits is 17199267840, while the sum is 85.

The spelling of 321383869498858 in words is "three hundred twenty-one trillion, three hundred eighty-three billion, eight hundred sixty-nine million, four hundred ninety-eight thousand, eight hundred fifty-eight".