51745363923 has 8 divisors (see below), whose sum is σ = 75265983936. Its totient is φ = 31360826600.

The previous prime is 51745363871. The next prime is 51745363949. The reversal of 51745363923 is 32936354715.

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 51745363923 - 2¹⁰ = 51745362899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51745363123) 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, 784020633 + ... + 784020698.

It is an arithmetic number, because the mean of its divisors is an integer number (9408247992).

Almost surely, 2^51745363923 is an apocalyptic number.

51745363923 is a deficient number, since it is larger than the sum of its proper divisors (23520620013).

51745363923 is a wasteful number, since it uses less digits than its factorization.

51745363923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568041345.

The product of its digits is 2041200, while the sum is 48.

The spelling of 51745363923 in words is "fifty-one billion, seven hundred forty-five million, three hundred sixty-three thousand, nine hundred twenty-three".