51244410042473 has 2 divisors, whose sum is σ = 51244410042474. Its totient is φ = 51244410042472.

The previous prime is 51244410042401. The next prime is 51244410042479. The reversal of 51244410042473 is 37424001444215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51211942687504 + 32467354969 = 7156252^2 + 180187^2 .

It is a cyclic number.

It is not a de Polignac number, because 51244410042473 - 2¹⁰ = 51244410041449 is a prime.

It is a super-2 number, since 2×51244410042473² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51244410042473.

It is not a weakly prime, because it can be changed into another prime (51244410042479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25622205021236 + 25622205021237.

It is an arithmetic number, because the mean of its divisors is an integer number (25622205021237).

Almost surely, 2^{51244410042473} is an apocalyptic number.

It is an amenable number.

51244410042473 is a deficient number, since it is larger than the sum of its proper divisors (1).

51244410042473 is an equidigital number, since it uses as much as digits as its factorization.

51244410042473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 41.

Adding to 51244410042473 its reverse (37424001444215), we get a palindrome (88668411486688).

The spelling of 51244410042473 in words is "fifty-one trillion, two hundred forty-four billion, four hundred ten million, forty-two thousand, four hundred seventy-three".