342418789 has 2 divisors, whose sum is σ = 342418790. Its totient is φ = 342418788.

The previous prime is 342418781. The next prime is 342418793. The reversal of 342418789 is 987814243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260661025 + 81757764 = 16145^2 + 9042^2 .

It is a cyclic number.

It is not a de Polignac number, because 342418789 - 2³ = 342418781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342418781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171209394 + 171209395.

It is an arithmetic number, because the mean of its divisors is an integer number (171209395).

Almost surely, 2^342418789 is an apocalyptic number.

It is an amenable number.

342418789 is a deficient number, since it is larger than the sum of its proper divisors (1).

342418789 is an equidigital number, since it uses as much as digits as its factorization.

342418789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The square root of 342418789 is about 18504.5613025546. The cubic root of 342418789 is about 699.6043948331.

The spelling of 342418789 in words is "three hundred forty-two million, four hundred eighteen thousand, seven hundred eighty-nine".