51082000643 has 2 divisors, whose sum is σ = 51082000644. Its totient is φ = 51082000642.

The previous prime is 51082000583. The next prime is 51082000657. The reversal of 51082000643 is 34600028015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51082000643 - 2¹² = 51081996547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51082000943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25541000321 + 25541000322.

It is an arithmetic number, because the mean of its divisors is an integer number (25541000322).

Almost surely, 2^51082000643 is an apocalyptic number.

51082000643 is a deficient number, since it is larger than the sum of its proper divisors (1).

51082000643 is an equidigital number, since it uses as much as digits as its factorization.

51082000643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 51082000643 its reverse (34600028015), we get a palindrome (85682028658).

The spelling of 51082000643 in words is "fifty-one billion, eighty-two million, six hundred forty-three", and thus it is an aban number.