51205335343 has 2 divisors, whose sum is σ = 51205335344. Its totient is φ = 51205335342.

The previous prime is 51205335329. The next prime is 51205335353. The reversal of 51205335343 is 34353350215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51205335343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51205335299 and 51205335308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51205335353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25602667671 + 25602667672.

It is an arithmetic number, because the mean of its divisors is an integer number (25602667672).

Almost surely, 2^51205335343 is an apocalyptic number.

51205335343 is a deficient number, since it is larger than the sum of its proper divisors (1).

51205335343 is an equidigital number, since it uses as much as digits as its factorization.

51205335343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 51205335343 its reverse (34353350215), we get a palindrome (85558685558).

The spelling of 51205335343 in words is "fifty-one billion, two hundred five million, three hundred thirty-five thousand, three hundred forty-three".