349118276121217 has 32 divisors (see below), whose sum is σ = 397408136993280. Its totient is φ = 304650369976320.

The previous prime is 349118276121151. The next prime is 349118276121287. The reversal of 349118276121217 is 712121672811943.

It is a cyclic number.

It is not a de Polignac number, because 349118276121217 - 2²³ = 349118267732609 is a prime.

It is a super-2 number, since 2×349118276121217² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349118276121287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322465717 + ... + 323546557.

It is an arithmetic number, because the mean of its divisors is an integer number (12419004281040).

Almost surely, 2^{349118276121217} is an apocalyptic number.

It is an amenable number.

349118276121217 is a deficient number, since it is larger than the sum of its proper divisors (48289860872063).

349118276121217 is a wasteful number, since it uses less digits than its factorization.

349118276121217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102201.

The product of its digits is 2032128, while the sum is 55.

The spelling of 349118276121217 in words is "three hundred forty-nine trillion, one hundred eighteen billion, two hundred seventy-six million, one hundred twenty-one thousand, two hundred seventeen".