51443244234493 has 2 divisors, whose sum is σ = 51443244234494. Its totient is φ = 51443244234492.

The previous prime is 51443244234449. The next prime is 51443244234509. The reversal of 51443244234493 is 39443244234415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42586352775684 + 8856891458809 = 6525822^2 + 2976053^2 .

It is a cyclic number.

It is not a de Polignac number, because 51443244234493 - 2⁹ = 51443244233981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51443244234493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51443244234433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25721622117246 + 25721622117247.

It is an arithmetic number, because the mean of its divisors is an integer number (25721622117247).

Almost surely, 2^{51443244234493} is an apocalyptic number.

It is an amenable number.

51443244234493 is a deficient number, since it is larger than the sum of its proper divisors (1).

51443244234493 is an equidigital number, since it uses as much as digits as its factorization.

51443244234493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19906560, while the sum is 52.

The spelling of 51443244234493 in words is "fifty-one trillion, four hundred forty-three billion, two hundred forty-four million, two hundred thirty-four thousand, four hundred ninety-three".