321421334258 has 8 divisors (see below), whose sum is σ = 493891318620. Its totient is φ = 156790894720.

The previous prime is 321421334257. The next prime is 321421334279. The reversal of 321421334258 is 852433124123.

It can be written as a sum of positive squares in 2 ways, for example, as 212628887689 + 108792446569 = 461117^2 + 329837^2 .

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

It is not an unprimeable number, because it can be changed into a prime (321421334257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959886103 + ... + 1959886266.

Almost surely, 2^321421334258 is an apocalyptic number.

321421334258 is a deficient number, since it is larger than the sum of its proper divisors (172469984362).

321421334258 is a wasteful number, since it uses less digits than its factorization.

321421334258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919772412.

The product of its digits is 138240, while the sum is 38.

The spelling of 321421334258 in words is "three hundred twenty-one billion, four hundred twenty-one million, three hundred thirty-four thousand, two hundred fifty-eight".