834668197349 has 16 divisors (see below), whose sum is σ = 955191687168. Its totient is φ = 714466576512.

The previous prime is 834668197277. The next prime is 834668197423. The reversal of 834668197349 is 943791866438.

It is a cyclic number.

It is not a de Polignac number, because 834668197349 - 2¹⁶ = 834668131813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834668197249) 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, 18794879 + ... + 18839235.

It is an arithmetic number, because the mean of its divisors is an integer number (59699480448).

Almost surely, 2^834668197349 is an apocalyptic number.

It is an amenable number.

834668197349 is a deficient number, since it is larger than the sum of its proper divisors (120523489819).

834668197349 is a wasteful number, since it uses less digits than its factorization.

834668197349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47924.

The product of its digits is 188116992, while the sum is 68.

The spelling of 834668197349 in words is "eight hundred thirty-four billion, six hundred sixty-eight million, one hundred ninety-seven thousand, three hundred forty-nine".