342376649 has 2 divisors, whose sum is σ = 342376650. Its totient is φ = 342376648.

The previous prime is 342376613. The next prime is 342376669. The reversal of 342376649 is 946673243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303874624 + 38502025 = 17432^2 + 6205^2 .

It is an emirp because it is prime and its reverse (946673243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342376649 - 2⁸ = 342376393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (342376669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171188324 + 171188325.

It is an arithmetic number, because the mean of its divisors is an integer number (171188325).

Almost surely, 2^342376649 is an apocalyptic number.

It is an amenable number.

342376649 is a deficient number, since it is larger than the sum of its proper divisors (1).

342376649 is an equidigital number, since it uses as much as digits as its factorization.

342376649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 44.

The square root of 342376649 is about 18503.4226293408. The cubic root of 342376649 is about 699.5756945596.

The spelling of 342376649 in words is "three hundred forty-two million, three hundred seventy-six thousand, six hundred forty-nine".