349466605139 has 4 divisors (see below), whose sum is σ = 361517177760. Its totient is φ = 337416032520.

The previous prime is 349466605121. The next prime is 349466605153. The reversal of 349466605139 is 931506664943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349466605139 - 2³² = 345171637843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349466605039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6025286267 + ... + 6025286324.

It is an arithmetic number, because the mean of its divisors is an integer number (90379294440).

Almost surely, 2^349466605139 is an apocalyptic number.

349466605139 is a deficient number, since it is larger than the sum of its proper divisors (12050572621).

349466605139 is a wasteful number, since it uses less digits than its factorization.

349466605139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050572620.

The product of its (nonzero) digits is 12597120, while the sum is 56.

The spelling of 349466605139 in words is "three hundred forty-nine billion, four hundred sixty-six million, six hundred five thousand, one hundred thirty-nine".