349743943879 has 8 divisors (see below), whose sum is σ = 381743888400. Its totient is φ = 317778172800.

The previous prime is 349743943853. The next prime is 349743943903. The reversal of 349743943879 is 978349347943.

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

It is not a de Polignac number, because 349743943879 - 2¹⁷ = 349743812807 is a prime.

It is a super-3 number, since 3×349743943879³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349743943579) 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 7 ways as a sum of consecutive naturals, for example, 8521954 + ... + 8562895.

It is an arithmetic number, because the mean of its divisors is an integer number (47717986050).

Almost surely, 2^349743943879 is an apocalyptic number.

349743943879 is a deficient number, since it is larger than the sum of its proper divisors (31999944521).

349743943879 is a wasteful number, since it uses less digits than its factorization.

349743943879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17086721.

The product of its digits is 493807104, while the sum is 70.

The spelling of 349743943879 in words is "three hundred forty-nine billion, seven hundred forty-three million, nine hundred forty-three thousand, eight hundred seventy-nine".