345017785091 has 8 divisors (see below), whose sum is σ = 394339901280. Its totient is φ = 295704134208.

The previous prime is 345017785081. The next prime is 345017785183. The reversal of 345017785091 is 190587710543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345017785091 - 2³⁸ = 70139878147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345017785001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028746 + ... + 2192223.

It is an arithmetic number, because the mean of its divisors is an integer number (49292487660).

Almost surely, 2^345017785091 is an apocalyptic number.

345017785091 is a deficient number, since it is larger than the sum of its proper divisors (49322116189).

345017785091 is a wasteful number, since it uses less digits than its factorization.

345017785091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232653.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 345017785091 in words is "three hundred forty-five billion, seventeen million, seven hundred eighty-five thousand, ninety-one".