349485128216 has 16 divisors (see below), whose sum is σ = 748896703440. Its totient is φ = 149779340640.

The previous prime is 349485128159. The next prime is 349485128221. The reversal of 349485128216 is 612821584943.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3120402875 + ... + 3120402986.

It is an arithmetic number, because the mean of its divisors is an integer number (46806043965).

Almost surely, 2^349485128216 is an apocalyptic number.

It is an amenable number.

349485128216 is an abundant number, since it is smaller than the sum of its proper divisors (399411575224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349485128216 is a wasteful number, since it uses less digits than its factorization.

349485128216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240805874 (or 6240805870 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The spelling of 349485128216 in words is "three hundred forty-nine billion, four hundred eighty-five million, one hundred twenty-eight thousand, two hundred sixteen".