51420433327 has 2 divisors, whose sum is σ = 51420433328. Its totient is φ = 51420433326.

The previous prime is 51420433313. The next prime is 51420433349. The reversal of 51420433327 is 72333402415.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51420433327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51420433292 and 51420433301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51420433027) 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, 25710216663 + 25710216664.

It is an arithmetic number, because the mean of its divisors is an integer number (25710216664).

Almost surely, 2^51420433327 is an apocalyptic number.

51420433327 is a deficient number, since it is larger than the sum of its proper divisors (1).

51420433327 is an equidigital number, since it uses as much as digits as its factorization.

51420433327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 51420433327 in words is "fifty-one billion, four hundred twenty million, four hundred thirty-three thousand, three hundred twenty-seven".