834899913 has 16 divisors (see below), whose sum is σ = 1238328000. Its totient is φ = 555952320.

The previous prime is 834899909. The next prime is 834899929. The reversal of 834899913 is 319998438.

It is not a de Polignac number, because 834899913 - 2² = 834899909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 834899913.

It is not an unprimeable number, because it can be changed into a prime (834899953) 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, 6238 + ... + 41336.

It is an arithmetic number, because the mean of its divisors is an integer number (77395500).

Almost surely, 2^834899913 is an apocalyptic number.

It is an amenable number.

834899913 is a deficient number, since it is larger than the sum of its proper divisors (403428087).

834899913 is a wasteful number, since it uses less digits than its factorization.

834899913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35989 (or 35983 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 834899913 is about 28894.6346749704. The cubic root of 834899913 is about 941.6253429156.

The spelling of 834899913 in words is "eight hundred thirty-four million, eight hundred ninety-nine thousand, nine hundred thirteen".