51045334943 has 2 divisors, whose sum is σ = 51045334944. Its totient is φ = 51045334942.

The previous prime is 51045334933. The next prime is 51045335023. The reversal of 51045334943 is 34943354015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51045334943 - 2⁸ = 51045334687 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51045334943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51045334913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25522667471 + 25522667472.

It is an arithmetic number, because the mean of its divisors is an integer number (25522667472).

Almost surely, 2^51045334943 is an apocalyptic number.

51045334943 is a deficient number, since it is larger than the sum of its proper divisors (1).

51045334943 is an equidigital number, since it uses as much as digits as its factorization.

51045334943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 51045334943 its reverse (34943354015), we get a palindrome (85988688958).

The spelling of 51045334943 in words is "fifty-one billion, forty-five million, three hundred thirty-four thousand, nine hundred forty-three".