345217010205 has 16 divisors (see below), whose sum is σ = 567275520384. Its totient is φ = 179139637440.

The previous prime is 345217010161. The next prime is 345217010219. The reversal of 345217010205 is 502010712543.

It is not a de Polignac number, because 345217010205 - 2²² = 345212815901 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311005761 + ... + 311006870.

It is an arithmetic number, because the mean of its divisors is an integer number (35454720024).

Almost surely, 2^345217010205 is an apocalyptic number.

It is an amenable number.

345217010205 is a deficient number, since it is larger than the sum of its proper divisors (222058510179).

345217010205 is a wasteful number, since it uses less digits than its factorization.

345217010205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622012676.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 345217010205 its reverse (502010712543), we get a palindrome (847227722748).

The spelling of 345217010205 in words is "three hundred forty-five billion, two hundred seventeen million, ten thousand, two hundred five".