51184650733 has 2 divisors, whose sum is σ = 51184650734. Its totient is φ = 51184650732.

The previous prime is 51184650703. The next prime is 51184650827. The reversal of 51184650733 is 33705648115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38348213929 + 12836436804 = 195827^2 + 113298^2 .

It is a cyclic number.

It is not a de Polignac number, because 51184650733 - 2⁵ = 51184650701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51184650733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51184650703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25592325366 + 25592325367.

It is an arithmetic number, because the mean of its divisors is an integer number (25592325367).

Almost surely, 2^51184650733 is an apocalyptic number.

It is an amenable number.

51184650733 is a deficient number, since it is larger than the sum of its proper divisors (1).

51184650733 is an equidigital number, since it uses as much as digits as its factorization.

51184650733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 51184650733 in words is "fifty-one billion, one hundred eighty-four million, six hundred fifty thousand, seven hundred thirty-three".