349546403217 has 16 divisors (see below), whose sum is σ = 508451023872. Its totient is φ = 211838016720.

The previous prime is 349546403207. The next prime is 349546403249. The reversal of 349546403217 is 712304645943.

It is a happy number.

It is not a de Polignac number, because 349546403217 - 2⁴ = 349546403201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349546403207) 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, 709588 + ... + 1096634.

It is an arithmetic number, because the mean of its divisors is an integer number (31778188992).

Almost surely, 2^349546403217 is an apocalyptic number.

It is an amenable number.

349546403217 is a deficient number, since it is larger than the sum of its proper divisors (158904620655).

349546403217 is a wasteful number, since it uses less digits than its factorization.

349546403217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414428.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 349546403217 in words is "three hundred forty-nine billion, five hundred forty-six million, four hundred three thousand, two hundred seventeen".