321868145467 has 8 divisors (see below), whose sum is σ = 351218256192. Its totient is φ = 292532929800.

The previous prime is 321868145441. The next prime is 321868145503. The reversal of 321868145467 is 764541868123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321868145467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321868145867) 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, 3678553 + ... + 3765034.

It is an arithmetic number, because the mean of its divisors is an integer number (43902282024).

Almost surely, 2^321868145467 is an apocalyptic number.

321868145467 is a deficient number, since it is larger than the sum of its proper divisors (29350110725).

321868145467 is a wasteful number, since it uses less digits than its factorization.

321868145467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447529.

The product of its digits is 7741440, while the sum is 55.

The spelling of 321868145467 in words is "three hundred twenty-one billion, eight hundred sixty-eight million, one hundred forty-five thousand, four hundred sixty-seven".