51794584409 has 2 divisors, whose sum is σ = 51794584410. Its totient is φ = 51794584408.

The previous prime is 51794584363. The next prime is 51794584441. The reversal of 51794584409 is 90448549715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38662570384 + 13132014025 = 196628^2 + 114595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51794584409 is a prime.

It is not a weakly prime, because it can be changed into another prime (51794584109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25897292204 + 25897292205.

It is an arithmetic number, because the mean of its divisors is an integer number (25897292205).

Almost surely, 2^51794584409 is an apocalyptic number.

It is an amenable number.

51794584409 is a deficient number, since it is larger than the sum of its proper divisors (1).

51794584409 is an equidigital number, since it uses as much as digits as its factorization.

51794584409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 51794584409 in words is "fifty-one billion, seven hundred ninety-four million, five hundred eighty-four thousand, four hundred nine".