51243754763 has 2 divisors, whose sum is σ = 51243754764. Its totient is φ = 51243754762.

The previous prime is 51243754753. The next prime is 51243754769. The reversal of 51243754763 is 36745734215.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51243754763 - 2¹² = 51243750667 is a prime.

It is not a weakly prime, because it can be changed into another prime (51243754769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25621877381 + 25621877382.

It is an arithmetic number, because the mean of its divisors is an integer number (25621877382).

Almost surely, 2^51243754763 is an apocalyptic number.

51243754763 is a deficient number, since it is larger than the sum of its proper divisors (1).

51243754763 is an equidigital number, since it uses as much as digits as its factorization.

51243754763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 47.

The spelling of 51243754763 in words is "fifty-one billion, two hundred forty-three million, seven hundred fifty-four thousand, seven hundred sixty-three".