51008026913 has 8 divisors (see below), whose sum is σ = 52676910336. Its totient is φ = 49340610000.

The previous prime is 51008026879. The next prime is 51008026919. The reversal of 51008026913 is 31962080015.

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

It is a cyclic number.

It is not a de Polignac number, because 51008026913 - 2¹⁶ = 51007961377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51008026919) 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, 295706 + ... + 435267.

It is an arithmetic number, because the mean of its divisors is an integer number (6584613792).

Almost surely, 2^51008026913 is an apocalyptic number.

It is an amenable number.

51008026913 is a deficient number, since it is larger than the sum of its proper divisors (1668883423).

51008026913 is a wasteful number, since it uses less digits than its factorization.

51008026913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733255.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 51008026913 in words is "fifty-one billion, eight million, twenty-six thousand, nine hundred thirteen".