342169813 has 2 divisors, whose sum is σ = 342169814. Its totient is φ = 342169812.

The previous prime is 342169769. The next prime is 342169819. The reversal of 342169813 is 318961243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202977009 + 139192804 = 14247^2 + 11798^2 .

It is an emirp because it is prime and its reverse (318961243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342169813 - 2⁹ = 342169301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342169819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171084906 + 171084907.

It is an arithmetic number, because the mean of its divisors is an integer number (171084907).

Almost surely, 2^342169813 is an apocalyptic number.

It is an amenable number.

342169813 is a deficient number, since it is larger than the sum of its proper divisors (1).

342169813 is an equidigital number, since it uses as much as digits as its factorization.

342169813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 342169813 is about 18497.8326568277. The cubic root of 342169813 is about 699.4347906879.

The spelling of 342169813 in words is "three hundred forty-two million, one hundred sixty-nine thousand, eight hundred thirteen".