342377491 has 2 divisors, whose sum is σ = 342377492. Its totient is φ = 342377490.

The previous prime is 342377489. The next prime is 342377507. The reversal of 342377491 is 194773243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342377491 - 2¹ = 342377489 is a prime.

Together with 342377489, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342377401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171188745 + 171188746.

It is an arithmetic number, because the mean of its divisors is an integer number (171188746).

Almost surely, 2^342377491 is an apocalyptic number.

342377491 is a deficient number, since it is larger than the sum of its proper divisors (1).

342377491 is an equidigital number, since it uses as much as digits as its factorization.

342377491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 342377491 is about 18503.4453818742. The cubic root of 342377491 is about 699.5762680433.

The spelling of 342377491 in words is "three hundred forty-two million, three hundred seventy-seven thousand, four hundred ninety-one".