51436168557343 has 2 divisors, whose sum is σ = 51436168557344. Its totient is φ = 51436168557342.

The previous prime is 51436168557331. The next prime is 51436168557377. The reversal of 51436168557343 is 34375586163415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51436168557343 - 2⁵ = 51436168557311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51436168552343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25718084278671 + 25718084278672.

It is an arithmetic number, because the mean of its divisors is an integer number (25718084278672).

Almost surely, 2^{51436168557343} is an apocalyptic number.

51436168557343 is a deficient number, since it is larger than the sum of its proper divisors (1).

51436168557343 is an equidigital number, since it uses as much as digits as its factorization.

51436168557343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864000, while the sum is 61.

The spelling of 51436168557343 in words is "fifty-one trillion, four hundred thirty-six billion, one hundred sixty-eight million, five hundred fifty-seven thousand, three hundred forty-three".