51375834089 has 2 divisors, whose sum is σ = 51375834090. Its totient is φ = 51375834088.

The previous prime is 51375834049. The next prime is 51375834121. The reversal of 51375834089 is 98043857315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35347008064 + 16028826025 = 188008^2 + 126605^2 .

It is a cyclic number.

It is not a de Polignac number, because 51375834089 - 2²⁸ = 51107398633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51375834089.

It is not a weakly prime, because it can be changed into another prime (51375834019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25687917044 + 25687917045.

It is an arithmetic number, because the mean of its divisors is an integer number (25687917045).

Almost surely, 2^51375834089 is an apocalyptic number.

It is an amenable number.

51375834089 is a deficient number, since it is larger than the sum of its proper divisors (1).

51375834089 is an equidigital number, since it uses as much as digits as its factorization.

51375834089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 51375834089 in words is "fifty-one billion, three hundred seventy-five million, eight hundred thirty-four thousand, eighty-nine".