51010066050613 has 2 divisors, whose sum is σ = 51010066050614. Its totient is φ = 51010066050612.

The previous prime is 51010066050599. The next prime is 51010066050649. The reversal of 51010066050613 is 31605066001015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35935972494244 + 15074093556369 = 5994662^2 + 3882537^2 .

It is a cyclic number.

It is not a de Polignac number, because 51010066050613 - 2²¹ = 51010063953461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51010066050653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505033025306 + 25505033025307.

It is an arithmetic number, because the mean of its divisors is an integer number (25505033025307).

Almost surely, 2^{51010066050613} is an apocalyptic number.

It is an amenable number.

51010066050613 is a deficient number, since it is larger than the sum of its proper divisors (1).

51010066050613 is an equidigital number, since it uses as much as digits as its factorization.

51010066050613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 51010066050613 in words is "fifty-one trillion, ten billion, sixty-six million, fifty thousand, six hundred thirteen".