349379731142 has 16 divisors (see below), whose sum is σ = 567977443152. Its totient is φ = 160225097760.

The previous prime is 349379731121. The next prime is 349379731153. The reversal of 349379731142 is 241137973943.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 42791084 + ... + 42799247.

It is an arithmetic number, because the mean of its divisors is an integer number (35498590197).

Almost surely, 2^349379731142 is an apocalyptic number.

349379731142 is a deficient number, since it is larger than the sum of its proper divisors (218597712010).

349379731142 is a wasteful number, since it uses less digits than its factorization.

349379731142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85590503.

The product of its digits is 3429216, while the sum is 53.

The spelling of 349379731142 in words is "three hundred forty-nine billion, three hundred seventy-nine million, seven hundred thirty-one thousand, one hundred forty-two".