51103827469 has 2 divisors, whose sum is σ = 51103827470. Its totient is φ = 51103827468.

The previous prime is 51103827457. The next prime is 51103827487. The reversal of 51103827469 is 96472830115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46987065225 + 4116762244 = 216765^2 + 64162^2 .

It is a cyclic number.

It is not a de Polignac number, because 51103827469 - 2¹⁵ = 51103794701 is a prime.

It is a super-2 number, since 2×51103827469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551913734 + 25551913735.

It is an arithmetic number, because the mean of its divisors is an integer number (25551913735).

It is a 2-persistent number, because it is pandigital, and so is 2⋅51103827469 = 102207654938, but 3⋅51103827469 = 153311482407 is not.

Almost surely, 2^51103827469 is an apocalyptic number.

It is an amenable number.

51103827469 is a deficient number, since it is larger than the sum of its proper divisors (1).

51103827469 is an equidigital number, since it uses as much as digits as its factorization.

51103827469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 51103827469 in words is "fifty-one billion, one hundred three million, eight hundred twenty-seven thousand, four hundred sixty-nine".