239221452289 has 4 divisors (see below), whose sum is σ = 239237544960. Its totient is φ = 239205359620.

The previous prime is 239221452287. The next prime is 239221452311. The reversal of 239221452289 is 982254122932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 239221452289 - 2¹ = 239221452287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239221452287) 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, 8024017 + ... + 8053774.

It is an arithmetic number, because the mean of its divisors is an integer number (59809386240).

Almost surely, 2^239221452289 is an apocalyptic number.

It is an amenable number.

239221452289 is a deficient number, since it is larger than the sum of its proper divisors (16092671).

239221452289 is a wasteful number, since it uses less digits than its factorization.

239221452289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16092670.

The product of its digits is 1244160, while the sum is 49.

The spelling of 239221452289 in words is "two hundred thirty-nine billion, two hundred twenty-one million, four hundred fifty-two thousand, two hundred eighty-nine".