349612281604 has 12 divisors (see below), whose sum is σ = 611936772300. Its totient is φ = 174773203808.

The previous prime is 349612281589. The next prime is 349612281649. The reversal of 349612281604 is 406182216943.

It can be written as a sum of positive squares in 2 ways, for example, as 172748296900 + 176863984704 = 415630^2 + 420552^2 .

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, 8210359 + ... + 8252830.

It is an arithmetic number, because the mean of its divisors is an integer number (50994731025).

Almost surely, 2^349612281604 is an apocalyptic number.

It is an amenable number.

349612281604 is a deficient number, since it is larger than the sum of its proper divisors (262324490696).

349612281604 is a wasteful number, since it uses less digits than its factorization.

349612281604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468502 (or 16468500 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 349612281604 in words is "three hundred forty-nine billion, six hundred twelve million, two hundred eighty-one thousand, six hundred four".