51744217823827 has 2 divisors, whose sum is σ = 51744217823828. Its totient is φ = 51744217823826.

The previous prime is 51744217823803. The next prime is 51744217823843. The reversal of 51744217823827 is 72832871244715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51744217823827 - 2²⁷ = 51744083606099 is a prime.

It is not a weakly prime, because it can be changed into another prime (51744217823327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25872108911913 + 25872108911914.

It is an arithmetic number, because the mean of its divisors is an integer number (25872108911914).

Almost surely, 2^{51744217823827} is an apocalyptic number.

51744217823827 is a deficient number, since it is larger than the sum of its proper divisors (1).

51744217823827 is an equidigital number, since it uses as much as digits as its factorization.

51744217823827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42147840, while the sum is 61.

The spelling of 51744217823827 in words is "fifty-one trillion, seven hundred forty-four billion, two hundred seventeen million, eight hundred twenty-three thousand, eight hundred twenty-seven".