345970304191 has 4 divisors (see below), whose sum is σ = 351641948584. Its totient is φ = 340298659800.

The previous prime is 345970304131. The next prime is 345970304209. The reversal of 345970304191 is 191403079543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345970304191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345970304131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835822105 + ... + 2835822226.

It is an arithmetic number, because the mean of its divisors is an integer number (87910487146).

Almost surely, 2^345970304191 is an apocalyptic number.

345970304191 is a deficient number, since it is larger than the sum of its proper divisors (5671644393).

345970304191 is an equidigital number, since it uses as much as digits as its factorization.

345970304191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671644392.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 345970304191 in words is "three hundred forty-five billion, nine hundred seventy million, three hundred four thousand, one hundred ninety-one".