349297005687 has 8 divisors (see below), whose sum is σ = 532262103936. Its totient is φ = 199598288952.

The previous prime is 349297005667. The next prime is 349297005703. The reversal of 349297005687 is 786500792943.

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

It is not a de Polignac number, because 349297005687 - 2⁶ = 349297005623 is a prime.

It is a super-3 number, since 3×349297005687³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 349297005687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349297005637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8316595353 + ... + 8316595394.

It is an arithmetic number, because the mean of its divisors is an integer number (66532762992).

Almost surely, 2^349297005687 is an apocalyptic number.

349297005687 is a deficient number, since it is larger than the sum of its proper divisors (182965098249).

349297005687 is a wasteful number, since it uses less digits than its factorization.

349297005687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16633190757.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 349297005687 in words is "three hundred forty-nine billion, two hundred ninety-seven million, five thousand, six hundred eighty-seven".