51441335040049 has 2 divisors, whose sum is σ = 51441335040050. Its totient is φ = 51441335040048.

The previous prime is 51441335039999. The next prime is 51441335040157. The reversal of 51441335040049 is 94004053314415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33278395800049 + 18162939240000 = 5768743^2 + 4261800^2 .

It is a cyclic number.

It is not a de Polignac number, because 51441335040049 - 2²¹ = 51441332942897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51441335039987 and 51441335040014.

It is not a weakly prime, because it can be changed into another prime (51441335040449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25720667520024 + 25720667520025.

It is an arithmetic number, because the mean of its divisors is an integer number (25720667520025).

Almost surely, 2^{51441335040049} is an apocalyptic number.

It is an amenable number.

51441335040049 is a deficient number, since it is larger than the sum of its proper divisors (1).

51441335040049 is an equidigital number, since it uses as much as digits as its factorization.

51441335040049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 51441335040049 in words is "fifty-one trillion, four hundred forty-one billion, three hundred thirty-five million, forty thousand, forty-nine".