342975589889 has 4 divisors (see below), whose sum is σ = 343405923924. Its totient is φ = 342545255856.

The previous prime is 342975589871. The next prime is 342975589897. The reversal of 342975589889 is 988985579243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988985579243 = 98221 ⋅10068983.

It can be written as a sum of positive squares in 2 ways, for example, as 202110487489 + 140865102400 = 449567^2 + 375320^2 .

It is a cyclic number.

It is not a de Polignac number, because 342975589889 - 2²⁰ = 342974541313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342975589189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215165822 + ... + 215167415.

It is an arithmetic number, because the mean of its divisors is an integer number (85851480981).

Almost surely, 2^342975589889 is an apocalyptic number.

It is an amenable number.

342975589889 is a deficient number, since it is larger than the sum of its proper divisors (430334035).

342975589889 is an equidigital number, since it uses as much as digits as its factorization.

342975589889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430334034.

The product of its digits is 1567641600, while the sum is 77.

The spelling of 342975589889 in words is "three hundred forty-two billion, nine hundred seventy-five million, five hundred eighty-nine thousand, eight hundred eighty-nine".