5056665169 has 2 divisors, whose sum is σ = 5056665170. Its totient is φ = 5056665168.

The previous prime is 5056665157. The next prime is 5056665209. The reversal of 5056665169 is 9615666505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4001195025 + 1055470144 = 63255^2 + 32488^2 .

It is a cyclic number.

It is not a de Polignac number, because 5056665169 - 2²¹ = 5054568017 is a prime.

It is a super-2 number, since 2×5056665169² = 51139725262755597122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5056663169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528332584 + 2528332585.

It is an arithmetic number, because the mean of its divisors is an integer number (2528332585).

Almost surely, 2^5056665169 is an apocalyptic number.

It is an amenable number.

5056665169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5056665169 is an equidigital number, since it uses as much as digits as its factorization.

5056665169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The square root of 5056665169 is about 71110.2325196592. The cubic root of 5056665169 is about 1716.4114347578.

The spelling of 5056665169 in words is "five billion, fifty-six million, six hundred sixty-five thousand, one hundred sixty-nine".