349519415609 has 16 divisors (see below), whose sum is σ = 430264560768. Its totient is φ = 276487022592.

The previous prime is 349519415593. The next prime is 349519415669. The reversal of 349519415609 is 906514915943.

It is a cyclic number.

It is not a de Polignac number, because 349519415609 - 2⁴ = 349519415593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349519415669) 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, 68729 + ... + 838905.

It is an arithmetic number, because the mean of its divisors is an integer number (26891535048).

Almost surely, 2^349519415609 is an apocalyptic number.

It is an amenable number.

349519415609 is a deficient number, since it is larger than the sum of its proper divisors (80745145159).

349519415609 is a wasteful number, since it uses less digits than its factorization.

349519415609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775184.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 349519415609 in words is "three hundred forty-nine billion, five hundred nineteen million, four hundred fifteen thousand, six hundred nine".