51738743093 has 2 divisors, whose sum is σ = 51738743094. Its totient is φ = 51738743092.

The previous prime is 51738743057. The next prime is 51738743107. The reversal of 51738743093 is 39034783715.

51738743093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30771123889 + 20967619204 = 175417^2 + 144802^2 .

It is a cyclic number.

It is not a de Polignac number, because 51738743093 - 2¹⁸ = 51738480949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51738748093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25869371546 + 25869371547.

It is an arithmetic number, because the mean of its divisors is an integer number (25869371547).

Almost surely, 2^51738743093 is an apocalyptic number.

It is an amenable number.

51738743093 is a deficient number, since it is larger than the sum of its proper divisors (1).

51738743093 is an equidigital number, since it uses as much as digits as its factorization.

51738743093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 51738743093 in words is "fifty-one billion, seven hundred thirty-eight million, seven hundred forty-three thousand, ninety-three".