321363315356461 has 16 divisors (see below), whose sum is σ = 388890157069440. Its totient is φ = 259242051156480.

The previous prime is 321363315356459. The next prime is 321363315356477. The reversal of 321363315356461 is 164653513363123.

It is a happy number.

It is not a de Polignac number, because 321363315356461 - 2¹ = 321363315356459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321363315356399 and 321363315356408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321363315356861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43581355 + ... + 50418856.

It is an arithmetic number, because the mean of its divisors is an integer number (24305634816840).

Almost surely, 2^{321363315356461} is an apocalyptic number.

It is an amenable number.

321363315356461 is a deficient number, since it is larger than the sum of its proper divisors (67526841712979).

321363315356461 is a wasteful number, since it uses less digits than its factorization.

321363315356461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94028964.

The product of its digits is 10497600, while the sum is 52.

The spelling of 321363315356461 in words is "three hundred twenty-one trillion, three hundred sixty-three billion, three hundred fifteen million, three hundred fifty-six thousand, four hundred sixty-one".