321404212321394 has 8 divisors (see below), whose sum is σ = 482264437979100. Its totient is φ = 160649399661696.

The previous prime is 321404212321393. The next prime is 321404212321403. The reversal of 321404212321394 is 493123212404123.

It can be written as a sum of positive squares in 2 ways, for example, as 318998781928369 + 2405430393025 = 17860537^2 + 1550945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (321404212321393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26353241879 + ... + 26353254074.

Almost surely, 2^{321404212321394} is an apocalyptic number.

321404212321394 is a deficient number, since it is larger than the sum of its proper divisors (160860225657706).

321404212321394 is a wasteful number, since it uses less digits than its factorization.

321404212321394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52706499004.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 321404212321394 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred twelve million, three hundred twenty-one thousand, three hundred ninety-four".