51968786829 has 8 divisors (see below), whose sum is σ = 69318593760. Its totient is φ = 34632418896.

The previous prime is 51968786809. The next prime is 51968786851. The reversal of 51968786829 is 92868786915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51968786829 - 2²⁵ = 51935232397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51968786809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350722 + ... + 3366195.

It is an arithmetic number, because the mean of its divisors is an integer number (8664824220).

Almost surely, 2^51968786829 is an apocalyptic number.

It is an amenable number.

51968786829 is a deficient number, since it is larger than the sum of its proper divisors (17349806931).

51968786829 is a wasteful number, since it uses less digits than its factorization.

51968786829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719499.

The product of its digits is 104509440, while the sum is 69.

The spelling of 51968786829 in words is "fifty-one billion, nine hundred sixty-eight million, seven hundred eighty-six thousand, eight hundred twenty-nine".