349442798817 has 16 divisors (see below), whose sum is σ = 533714034560. Its totient is φ = 199220435712.

The previous prime is 349442798773. The next prime is 349442798839. The reversal of 349442798817 is 718897244943.

It is not a de Polignac number, because 349442798817 - 2⁶ = 349442798753 is a prime.

It is a super-2 number, since 2×349442798817² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349442798017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19205842 + ... + 19224027.

It is an arithmetic number, because the mean of its divisors is an integer number (33357127160).

Almost surely, 2^349442798817 is an apocalyptic number.

It is an amenable number.

349442798817 is a deficient number, since it is larger than the sum of its proper divisors (184271235743).

349442798817 is a wasteful number, since it uses less digits than its factorization.

349442798817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38430312.

The product of its digits is 97542144, while the sum is 66.

The spelling of 349442798817 in words is "three hundred forty-nine billion, four hundred forty-two million, seven hundred ninety-eight thousand, eight hundred seventeen".