349846406939 has 6 divisors (see below), whose sum is σ = 355675617180. Its totient is φ = 344111216280.

The previous prime is 349846406927. The next prime is 349846406951. The reversal of 349846406939 is 939604648943.

It is an interprime number because it is at equal distance from previous prime (349846406927) and next prime (349846406951).

It is not a de Polignac number, because 349846406939 - 2³² = 345551439643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349846406969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47006009 + ... + 47013450.

It is an arithmetic number, because the mean of its divisors is an integer number (59279269530).

Almost surely, 2^349846406939 is an apocalyptic number.

349846406939 is a deficient number, since it is larger than the sum of its proper divisors (5829210241).

349846406939 is an frugal number, since it uses more digits than its factorization.

349846406939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94019581 (or 94019520 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 65.

The spelling of 349846406939 in words is "three hundred forty-nine billion, eight hundred forty-six million, four hundred six thousand, nine hundred thirty-nine".