51630312144343 has 4 divisors (see below), whose sum is σ = 53025725986120. Its totient is φ = 50234898302568.

The previous prime is 51630312144293. The next prime is 51630312144377. The reversal of 51630312144343 is 34344121303615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51630312144343 - 2⁴¹ = 49431288888791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51630312144296 and 51630312144305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51630312148343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697706920833 + ... + 697706920906.

It is an arithmetic number, because the mean of its divisors is an integer number (13256431496530).

Almost surely, 2^{51630312144343} is an apocalyptic number.

51630312144343 is a deficient number, since it is larger than the sum of its proper divisors (1395413841777).

51630312144343 is a wasteful number, since it uses less digits than its factorization.

51630312144343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395413841776.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 51630312144343 its reverse (34344121303615), we get a palindrome (85974433447958).

The spelling of 51630312144343 in words is "fifty-one trillion, six hundred thirty billion, three hundred twelve million, one hundred forty-four thousand, three hundred forty-three".