51364044913 has 8 divisors (see below), whose sum is σ = 51603685056. Its totient is φ = 51124741200.

The previous prime is 51364044911. The next prime is 51364044923. The reversal of 51364044913 is 31944046315.

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 51364044913 - 2¹ = 51364044911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51364044911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224583 + ... + 391363.

It is an arithmetic number, because the mean of its divisors is an integer number (6450460632).

Almost surely, 2^51364044913 is an apocalyptic number.

It is an amenable number.

51364044913 is a deficient number, since it is larger than the sum of its proper divisors (239640143).

51364044913 is a wasteful number, since it uses less digits than its factorization.

51364044913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168215.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 51364044913 in words is "fifty-one billion, three hundred sixty-four million, forty-four thousand, nine hundred thirteen".