349506673942155 has 8 divisors (see below), whose sum is σ = 559210678307472. Its totient is φ = 186403559435808.

The previous prime is 349506673942141. The next prime is 349506673942169. The reversal of 349506673942155 is 551249376605943.

It is an interprime number because it is at equal distance from previous prime (349506673942141) and next prime (349506673942169).

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

It is not a de Polignac number, because 349506673942155 - 2⁶ = 349506673942091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349506673942155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11650222464724 + ... + 11650222464753.

It is an arithmetic number, because the mean of its divisors is an integer number (69901334788434).

Almost surely, 2^{349506673942155} is an apocalyptic number.

349506673942155 is a deficient number, since it is larger than the sum of its proper divisors (209704004365317).

349506673942155 is a wasteful number, since it uses less digits than its factorization.

349506673942155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23300444929485.

The product of its (nonzero) digits is 734832000, while the sum is 69.

The spelling of 349506673942155 in words is "three hundred forty-nine trillion, five hundred six billion, six hundred seventy-three million, nine hundred forty-two thousand, one hundred fifty-five".