342451643 has 2 divisors, whose sum is σ = 342451644. Its totient is φ = 342451642.

The previous prime is 342451591. The next prime is 342451651. The reversal of 342451643 is 346154243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342451643 - 2¹⁸ = 342189499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342451693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171225821 + 171225822.

It is an arithmetic number, because the mean of its divisors is an integer number (171225822).

Almost surely, 2^342451643 is an apocalyptic number.

342451643 is a deficient number, since it is larger than the sum of its proper divisors (1).

342451643 is an equidigital number, since it uses as much as digits as its factorization.

342451643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 32.

The square root of 342451643 is about 18505.4490083327. The cubic root of 342451643 is about 699.6267690607.

The spelling of 342451643 in words is "three hundred forty-two million, four hundred fifty-one thousand, six hundred forty-three".