829709913 has 4 divisors (see below), whose sum is σ = 1106279888. Its totient is φ = 553139940.

The previous prime is 829709899. The next prime is 829709953. The reversal of 829709913 is 319907928.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 829709913 - 2¹² = 829705817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (829709953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138284983 + ... + 138284988.

It is an arithmetic number, because the mean of its divisors is an integer number (276569972).

Almost surely, 2^829709913 is an apocalyptic number.

It is an amenable number.

829709913 is a deficient number, since it is larger than the sum of its proper divisors (276569975).

829709913 is a wasteful number, since it uses less digits than its factorization.

829709913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276569974.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 829709913 is about 28804.6856084214. The cubic root of 829709913 is about 939.6701396551.

The spelling of 829709913 in words is "eight hundred twenty-nine million, seven hundred nine thousand, nine hundred thirteen".