349109441690 has 32 divisors (see below), whose sum is σ = 659221752960. Its totient is φ = 132929473600.

The previous prime is 349109441689. The next prime is 349109441699. The reversal of 349109441690 is 96144901943.

It is a happy number.

It is a super-2 number, since 2×349109441690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349109441699) 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, 8457056 + ... + 8498235.

It is an arithmetic number, because the mean of its divisors is an integer number (20600679780).

Almost surely, 2^349109441690 is an apocalyptic number.

349109441690 is a deficient number, since it is larger than the sum of its proper divisors (310112311270).

349109441690 is a wasteful number, since it uses less digits than its factorization.

349109441690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16955398.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 349109441690 in words is "three hundred forty-nine billion, one hundred nine million, four hundred forty-one thousand, six hundred ninety".