349920000001 has 32 divisors (see below), whose sum is σ = 420136593408. Its totient is φ = 287189547840.

The previous prime is 349919999999. The next prime is 349920000007. The reversal of 349920000001 is 100000029943.

It is a happy number.

It is not a de Polignac number, because 349920000001 - 2¹ = 349919999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349920000007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9949690 + ... + 9984796.

It is an arithmetic number, because the mean of its divisors is an integer number (13129268544).

Almost surely, 2^349920000001 is an apocalyptic number.

It is an amenable number.

349920000001 is a deficient number, since it is larger than the sum of its proper divisors (70216593407).

349920000001 is a wasteful number, since it uses less digits than its factorization.

349920000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36661.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 349920000001 its reverse (100000029943), we get a palindrome (449920029944).

The spelling of 349920000001 in words is "three hundred forty-nine billion, nine hundred twenty million, one", and thus it is an aban number.