342641863 has 2 divisors, whose sum is σ = 342641864. Its totient is φ = 342641862.

The previous prime is 342641861. The next prime is 342641939. The reversal of 342641863 is 368146243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342641863 - 2¹ = 342641861 is a prime.

It is a super-2 number, since 2×342641863² = 234806892560221538, which contains 22 as substring.

Together with 342641861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342641861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171320931 + 171320932.

It is an arithmetic number, because the mean of its divisors is an integer number (171320932).

Almost surely, 2^342641863 is an apocalyptic number.

342641863 is a deficient number, since it is larger than the sum of its proper divisors (1).

342641863 is an equidigital number, since it uses as much as digits as its factorization.

342641863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 37.

The square root of 342641863 is about 18510.5878620859. The cubic root of 342641863 is about 699.7562845444.

The spelling of 342641863 in words is "three hundred forty-two million, six hundred forty-one thousand, eight hundred sixty-three".