51284572841 has 2 divisors, whose sum is σ = 51284572842. Its totient is φ = 51284572840.

The previous prime is 51284572813. The next prime is 51284572853. The reversal of 51284572841 is 14827548215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48874155625 + 2410417216 = 221075^2 + 49096^2 .

It is a cyclic number.

It is not a de Polignac number, because 51284572841 - 2¹⁰ = 51284571817 is a prime.

It is a super-2 number, since 2×51284572841² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51284572861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25642286420 + 25642286421.

It is an arithmetic number, because the mean of its divisors is an integer number (25642286421).

Almost surely, 2^51284572841 is an apocalyptic number.

It is an amenable number.

51284572841 is a deficient number, since it is larger than the sum of its proper divisors (1).

51284572841 is an equidigital number, since it uses as much as digits as its factorization.

51284572841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 716800, while the sum is 47.

The spelling of 51284572841 in words is "fifty-one billion, two hundred eighty-four million, five hundred seventy-two thousand, eight hundred forty-one".