51342341173 has 2 divisors, whose sum is σ = 51342341174. Its totient is φ = 51342341172.

The previous prime is 51342341161. The next prime is 51342341201. The reversal of 51342341173 is 37114324315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38418744049 + 12923597124 = 196007^2 + 113682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51342341173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51342341273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25671170586 + 25671170587.

It is an arithmetic number, because the mean of its divisors is an integer number (25671170587).

Almost surely, 2^51342341173 is an apocalyptic number.

It is an amenable number.

51342341173 is a deficient number, since it is larger than the sum of its proper divisors (1).

51342341173 is an equidigital number, since it uses as much as digits as its factorization.

51342341173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

Adding to 51342341173 its reverse (37114324315), we get a palindrome (88456665488).

The spelling of 51342341173 in words is "fifty-one billion, three hundred forty-two million, three hundred forty-one thousand, one hundred seventy-three".