349685599505 has 16 divisors (see below), whose sum is σ = 462048473664. Its totient is φ = 251940002880.

The previous prime is 349685599489. The next prime is 349685599511. The reversal of 349685599505 is 505995586943.

It is not a de Polignac number, because 349685599505 - 2⁴ = 349685599489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29704022 + ... + 29715791.

It is an arithmetic number, because the mean of its divisors is an integer number (28878029604).

Almost surely, 2^349685599505 is an apocalyptic number.

It is an amenable number.

349685599505 is a deficient number, since it is larger than the sum of its proper divisors (112362874159).

349685599505 is a wasteful number, since it uses less digits than its factorization.

349685599505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59419936.

The product of its (nonzero) digits is 262440000, while the sum is 68.

The spelling of 349685599505 in words is "three hundred forty-nine billion, six hundred eighty-five million, five hundred ninety-nine thousand, five hundred five".