349387918934 has 8 divisors (see below), whose sum is σ = 525204110808. Its totient is φ = 174319882000.

The previous prime is 349387918907. The next prime is 349387918939. The reversal of 349387918934 is 439819783943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349387918939) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 187037567 + ... + 187039434.

It is an arithmetic number, because the mean of its divisors is an integer number (65650513851).

Almost surely, 2^349387918934 is an apocalyptic number.

349387918934 is a deficient number, since it is larger than the sum of its proper divisors (175816191874).

349387918934 is a wasteful number, since it uses less digits than its factorization.

349387918934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374077470.

The product of its digits is 141087744, while the sum is 68.

The spelling of 349387918934 in words is "three hundred forty-nine billion, three hundred eighty-seven million, nine hundred eighteen thousand, nine hundred thirty-four".