51047733017 has 2 divisors, whose sum is σ = 51047733018. Its totient is φ = 51047733016.

The previous prime is 51047732977. The next prime is 51047733031. The reversal of 51047733017 is 71033774015.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28370686096 + 22677046921 = 168436^2 + 150589^2 .

It is a cyclic number.

It is not a de Polignac number, because 51047733017 - 2¹⁴ = 51047716633 is a prime.

It is not a weakly prime, because it can be changed into another prime (51047733047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25523866508 + 25523866509.

It is an arithmetic number, because the mean of its divisors is an integer number (25523866509).

Almost surely, 2^51047733017 is an apocalyptic number.

It is an amenable number.

51047733017 is a deficient number, since it is larger than the sum of its proper divisors (1).

51047733017 is an equidigital number, since it uses as much as digits as its factorization.

51047733017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 38.

The spelling of 51047733017 in words is "fifty-one billion, forty-seven million, seven hundred thirty-three thousand, seventeen".