342738091 has 2 divisors, whose sum is σ = 342738092. Its totient is φ = 342738090.

The previous prime is 342738089. The next prime is 342738101. The reversal of 342738091 is 190837243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342738091 - 2¹ = 342738089 is a prime.

Together with 342738089, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 342738091.

It is not a weakly prime, because it can be changed into another prime (342738001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171369045 + 171369046.

It is an arithmetic number, because the mean of its divisors is an integer number (171369046).

Almost surely, 2^342738091 is an apocalyptic number.

342738091 is a deficient number, since it is larger than the sum of its proper divisors (1).

342738091 is an equidigital number, since it uses as much as digits as its factorization.

342738091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 342738091 is about 18513.1869487671. The cubic root of 342738091 is about 699.8217852440.

The spelling of 342738091 in words is "three hundred forty-two million, seven hundred thirty-eight thousand, ninety-one".