321939850892401 has 8 divisors (see below), whose sum is σ = 367931483144064. Its totient is φ = 275948274886080.

The previous prime is 321939850892299. The next prime is 321939850892449. The reversal of 321939850892401 is 104298058939123.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 321939850892401 - 2¹⁷ = 321939850761329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321939850892201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985285 + ... + 25393906.

It is an arithmetic number, because the mean of its divisors is an integer number (45991435393008).

Almost surely, 2^{321939850892401} is an apocalyptic number.

It is an amenable number.

321939850892401 is a deficient number, since it is larger than the sum of its proper divisors (45991632251663).

321939850892401 is a wasteful number, since it uses less digits than its factorization.

321939850892401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28122671.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 321939850892401 in words is "three hundred twenty-one trillion, nine hundred thirty-nine billion, eight hundred fifty million, eight hundred ninety-two thousand, four hundred one".