345189659 has 2 divisors, whose sum is σ = 345189660. Its totient is φ = 345189658.

The previous prime is 345189643. The next prime is 345189661. The reversal of 345189659 is 956981543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345189659 - 2⁴ = 345189643 is a prime.

Together with 345189661, 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 (345189679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172594829 + 172594830.

It is an arithmetic number, because the mean of its divisors is an integer number (172594830).

Almost surely, 2^345189659 is an apocalyptic number.

345189659 is a deficient number, since it is larger than the sum of its proper divisors (1).

345189659 is an equidigital number, since it uses as much as digits as its factorization.

345189659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 50.

The square root of 345189659 is about 18579.2803681951. The cubic root of 345189659 is about 701.4864054243.

The spelling of 345189659 in words is "three hundred forty-five million, one hundred eighty-nine thousand, six hundred fifty-nine".