349993478854 has 16 divisors (see below), whose sum is σ = 533631689136. Its totient is φ = 172116626400.

The previous prime is 349993478831. The next prime is 349993478867. The reversal of 349993478854 is 458874399943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1950364 + ... + 2122240.

It is an arithmetic number, because the mean of its divisors is an integer number (33351980571).

Almost surely, 2^349993478854 is an apocalyptic number.

349993478854 is a deficient number, since it is larger than the sum of its proper divisors (183638210282).

349993478854 is a wasteful number, since it uses less digits than its factorization.

349993478854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188631.

The product of its digits is 940584960, while the sum is 73.

The spelling of 349993478854 in words is "three hundred forty-nine billion, nine hundred ninety-three million, four hundred seventy-eight thousand, eight hundred fifty-four".