242402295889 has 4 divisors (see below), whose sum is σ = 261048626356. Its totient is φ = 223755965424.

The previous prime is 242402295881. The next prime is 242402295907. The reversal of 242402295889 is 988592204242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9938494864 + 232463801025 = 99692^2 + 482145^2 .

It is a cyclic number.

It is not a de Polignac number, because 242402295889 - 2³ = 242402295881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242402295881) 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, 9323165214 + ... + 9323165239.

It is an arithmetic number, because the mean of its divisors is an integer number (65262156589).

Almost surely, 2^242402295889 is an apocalyptic number.

It is an amenable number.

242402295889 is a deficient number, since it is larger than the sum of its proper divisors (18646330467).

242402295889 is a wasteful number, since it uses less digits than its factorization.

242402295889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18646330466.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 242402295889 in words is "two hundred forty-two billion, four hundred two million, two hundred ninety-five thousand, eight hundred eighty-nine".