321674507263385 has 16 divisors (see below), whose sum is σ = 386608546622592. Its totient is φ = 256940185737600.

The previous prime is 321674507263349. The next prime is 321674507263409. The reversal of 321674507263385 is 583362705476123.

It is not a de Polignac number, because 321674507263385 - 2¹⁴ = 321674507247001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801338525 + ... + 801739845.

It is an arithmetic number, because the mean of its divisors is an integer number (24163034163912).

Almost surely, 2^{321674507263385} is an apocalyptic number.

It is an amenable number.

321674507263385 is a deficient number, since it is larger than the sum of its proper divisors (64934039359207).

321674507263385 is a wasteful number, since it uses less digits than its factorization.

321674507263385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649744.

The product of its (nonzero) digits is 152409600, while the sum is 62.

The spelling of 321674507263385 in words is "three hundred twenty-one trillion, six hundred seventy-four billion, five hundred seven million, two hundred sixty-three thousand, three hundred eighty-five".