321242969089 has 45 divisors (see below), whose sum is σ = 385110842883. Its totient is φ = 267947796816.

The previous prime is 321242969071. The next prime is 321242969093. The reversal of 321242969089 is 980969242123.

The square root of 321242969089 is 566783.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21136216689 + 300106752400 = 145383^2 + 547820^2 .

It is not a de Polignac number, because 321242969089 - 2¹³ = 321242960897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321242969009) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1194211647 + ... + 1194211915.

Almost surely, 2^321242969089 is an apocalyptic number.

321242969089 is the 566783-rd square number.

321242969089 is the 283392-nd centered octagonal number.

It is an amenable number.

321242969089 is a deficient number, since it is larger than the sum of its proper divisors (63867873794).

321242969089 is an frugal number, since it uses more digits than its factorization.

321242969089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 321242969089 in words is "three hundred twenty-one billion, two hundred forty-two million, nine hundred sixty-nine thousand, eighty-nine".