349905784377 has 16 divisors (see below), whose sum is σ = 481735761920. Its totient is φ = 225677696400.

The previous prime is 349905784369. The next prime is 349905784409. The reversal of 349905784377 is 773487509943.

It is not a de Polignac number, because 349905784377 - 2³ = 349905784369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349905784307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254977 + ... + 874542.

It is an arithmetic number, because the mean of its divisors is an integer number (30108485120).

Almost surely, 2^349905784377 is an apocalyptic number.

It is an amenable number.

349905784377 is a deficient number, since it is larger than the sum of its proper divisors (131829977543).

349905784377 is a wasteful number, since it uses less digits than its factorization.

349905784377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132884.

The product of its (nonzero) digits is 160030080, while the sum is 66.

The spelling of 349905784377 in words is "three hundred forty-nine billion, nine hundred five million, seven hundred eighty-four thousand, three hundred seventy-seven".