349212287762 has 18 divisors (see below), whose sum is σ = 567229321557. Its totient is φ = 161169887736.

The previous prime is 349212287759. The next prime is 349212287791. The reversal of 349212287762 is 267782212943.

It can be written as a sum of positive squares in 2 ways, for example, as 298586837761 + 50625450001 = 546431^2 + 225001^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=417859.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10848263 + ... + 10880405.

Almost surely, 2^349212287762 is an apocalyptic number.

349212287762 is a deficient number, since it is larger than the sum of its proper divisors (218017033795).

349212287762 is an frugal number, since it uses more digits than its factorization.

349212287762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64314 (or 32158 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The spelling of 349212287762 in words is "three hundred forty-nine billion, two hundred twelve million, two hundred eighty-seven thousand, seven hundred sixty-two".