321487979707942 has 8 divisors (see below), whose sum is σ = 482391701922600. Its totient is φ = 160690745733744.

The previous prime is 321487979707883. The next prime is 321487979707969. The reversal of 321487979707942 is 249707979784123.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26622052567 + ... + 26622064642.

It is an arithmetic number, because the mean of its divisors is an integer number (60298962740325).

Almost surely, 2^{321487979707942} is an apocalyptic number.

321487979707942 is a deficient number, since it is larger than the sum of its proper divisors (160903722214658).

321487979707942 is a wasteful number, since it uses less digits than its factorization.

321487979707942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53244120230.

The product of its (nonzero) digits is 2688505344, while the sum is 79.

The spelling of 321487979707942 in words is "three hundred twenty-one trillion, four hundred eighty-seven billion, nine hundred seventy-nine million, seven hundred seven thousand, nine hundred forty-two".