51812084627 has 2 divisors, whose sum is σ = 51812084628. Its totient is φ = 51812084626.

The previous prime is 51812084581. The next prime is 51812084629. The reversal of 51812084627 is 72648021815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51812084627 - 2²⁴ = 51795307411 is a prime.

It is a super-2 number, since 2×51812084627² (a number of 22 digits) contains 22 as substring.

Together with 51812084629, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51812084629) 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, 25906042313 + 25906042314.

It is an arithmetic number, because the mean of its divisors is an integer number (25906042314).

Almost surely, 2^51812084627 is an apocalyptic number.

51812084627 is a deficient number, since it is larger than the sum of its proper divisors (1).

51812084627 is an equidigital number, since it uses as much as digits as its factorization.

51812084627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 51812084627 in words is "fifty-one billion, eight hundred twelve million, eighty-four thousand, six hundred twenty-seven".