321747374113764 has 48 divisors (see below), whose sum is σ = 769098839542656. Its totient is φ = 104627286892800.

The previous prime is 321747374113747. The next prime is 321747374113807. The reversal of 321747374113764 is 467311473747123.

It is a junction number, because it is equal to n+sod(n) for n = 321747374113698 and 321747374113707.

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, 10182427 + ... + 27334530.

It is an arithmetic number, because the mean of its divisors is an integer number (16022892490472).

Almost surely, 2^{321747374113764} is an apocalyptic number.

It is an amenable number.

321747374113764 is an abundant number, since it is smaller than the sum of its proper divisors (447351465428892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321747374113764 is a wasteful number, since it uses less digits than its factorization.

321747374113764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37534436 (or 37534434 counting only the distinct ones).

The product of its digits is 49787136, while the sum is 60.

The spelling of 321747374113764 in words is "three hundred twenty-one trillion, seven hundred forty-seven billion, three hundred seventy-four million, one hundred thirteen thousand, seven hundred sixty-four".