51241092289 has 2 divisors, whose sum is σ = 51241092290. Its totient is φ = 51241092288.

The previous prime is 51241092263. The next prime is 51241092311. The reversal of 51241092289 is 98229014215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46929856689 + 4311235600 = 216633^2 + 65660^2 .

It is a cyclic number.

It is not a de Polignac number, because 51241092289 - 2⁵ = 51241092257 is a prime.

It is not a weakly prime, because it can be changed into another prime (51241092239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25620546144 + 25620546145.

It is an arithmetic number, because the mean of its divisors is an integer number (25620546145).

Almost surely, 2^51241092289 is an apocalyptic number.

It is an amenable number.

51241092289 is a deficient number, since it is larger than the sum of its proper divisors (1).

51241092289 is an equidigital number, since it uses as much as digits as its factorization.

51241092289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 51241092289 in words is "fifty-one billion, two hundred forty-one million, ninety-two thousand, two hundred eighty-nine".