51704744747 has 2 divisors, whose sum is σ = 51704744748. Its totient is φ = 51704744746.

The previous prime is 51704744687. The next prime is 51704744753. The reversal of 51704744747 is 74744740715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51704744747 - 2⁶ = 51704744683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51704744695 and 51704744704.

It is not a weakly prime, because it can be changed into another prime (51704734747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25852372373 + 25852372374.

It is an arithmetic number, because the mean of its divisors is an integer number (25852372374).

Almost surely, 2^51704744747 is an apocalyptic number.

51704744747 is a deficient number, since it is larger than the sum of its proper divisors (1).

51704744747 is an equidigital number, since it uses as much as digits as its factorization.

51704744747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3073280, while the sum is 50.

The spelling of 51704744747 in words is "fifty-one billion, seven hundred four million, seven hundred forty-four thousand, seven hundred forty-seven".