51495389359 has 2 divisors, whose sum is σ = 51495389360. Its totient is φ = 51495389358.

The previous prime is 51495389357. The next prime is 51495389423. The reversal of 51495389359 is 95398359415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51495389359 - 2¹ = 51495389357 is a prime.

Together with 51495389357, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 51495389297 and 51495389306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51495389357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25747694679 + 25747694680.

It is an arithmetic number, because the mean of its divisors is an integer number (25747694680).

Almost surely, 2^51495389359 is an apocalyptic number.

51495389359 is a deficient number, since it is larger than the sum of its proper divisors (1).

51495389359 is an equidigital number, since it uses as much as digits as its factorization.

51495389359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244000, while the sum is 61.

The spelling of 51495389359 in words is "fifty-one billion, four hundred ninety-five million, three hundred eighty-nine thousand, three hundred fifty-nine".