51073740017 has 2 divisors, whose sum is σ = 51073740018. Its totient is φ = 51073740016.

The previous prime is 51073740013. The next prime is 51073740019. The reversal of 51073740017 is 71004737015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41652319921 + 9421420096 = 204089^2 + 97064^2 .

It is a cyclic number.

It is not a de Polignac number, because 51073740017 - 2² = 51073740013 is a prime.

Together with 51073740019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51073740013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25536870008 + 25536870009.

It is an arithmetic number, because the mean of its divisors is an integer number (25536870009).

Almost surely, 2^51073740017 is an apocalyptic number.

It is an amenable number.

51073740017 is a deficient number, since it is larger than the sum of its proper divisors (1).

51073740017 is an equidigital number, since it uses as much as digits as its factorization.

51073740017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 35.

The spelling of 51073740017 in words is "fifty-one billion, seventy-three million, seven hundred forty thousand, seventeen".