345217312673 has 8 divisors (see below), whose sum is σ = 349952187648. Its totient is φ = 340496143344.

The previous prime is 345217312669. The next prime is 345217312691. The reversal of 345217312673 is 376213712543.

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

It is a cyclic number.

It is not a de Polignac number, because 345217312673 - 2² = 345217312669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345217312603) 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, 3375686 + ... + 3476447.

It is an arithmetic number, because the mean of its divisors is an integer number (43744023456).

Almost surely, 2^345217312673 is an apocalyptic number.

It is an amenable number.

345217312673 is a deficient number, since it is larger than the sum of its proper divisors (4734874975).

345217312673 is an equidigital number, since it uses as much as digits as its factorization.

345217312673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852823.

The product of its digits is 635040, while the sum is 44.

The spelling of 345217312673 in words is "three hundred forty-five billion, two hundred seventeen million, three hundred twelve thousand, six hundred seventy-three".