349718870786 has 16 divisors (see below), whose sum is σ = 535762563840. Its totient is φ = 171131669280.

The previous prime is 349718870759. The next prime is 349718870827. The reversal of 349718870786 is 687078817943.

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, 2592446 + ... + 2724006.

It is an arithmetic number, because the mean of its divisors is an integer number (33485160240).

Almost surely, 2^349718870786 is an apocalyptic number.

349718870786 is a deficient number, since it is larger than the sum of its proper divisors (186043693054).

349718870786 is a wasteful number, since it uses less digits than its factorization.

349718870786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159889.

The product of its (nonzero) digits is 113799168, while the sum is 68.

The spelling of 349718870786 in words is "three hundred forty-nine billion, seven hundred eighteen million, eight hundred seventy thousand, seven hundred eighty-six".