321385597942748 has 72 divisors (see below), whose sum is σ = 593683423377408. Its totient is φ = 152205139408608.

The previous prime is 321385597942729. The next prime is 321385597942763. The reversal of 321385597942748 is 847249795583123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5366503661 + ... + 5366563547.

It is an arithmetic number, because the mean of its divisors is an integer number (8245603102464).

Almost surely, 2^{321385597942748} is an apocalyptic number.

It is an amenable number.

321385597942748 is a deficient number, since it is larger than the sum of its proper divisors (272297825434660).

321385597942748 is a wasteful number, since it uses less digits than its factorization.

321385597942748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84663 (or 84638 counting only the distinct ones).

The product of its digits is 3657830400, while the sum is 77.

The spelling of 321385597942748 in words is "three hundred twenty-one trillion, three hundred eighty-five billion, five hundred ninety-seven million, nine hundred forty-two thousand, seven hundred forty-eight".