5185144463 has 2 divisors, whose sum is σ = 5185144464. Its totient is φ = 5185144462.

The previous prime is 5185144439. The next prime is 5185144501. The reversal of 5185144463 is 3644415815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5185144463 - 2⁶ = 5185144399 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5185144463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185144963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592572231 + 2592572232.

It is an arithmetic number, because the mean of its divisors is an integer number (2592572232).

Almost surely, 2^5185144463 is an apocalyptic number.

5185144463 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185144463 is an equidigital number, since it uses as much as digits as its factorization.

5185144463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 41.

The square root of 5185144463 is about 72007.9472211228. The cubic root of 5185144463 is about 1730.8268362067.

The spelling of 5185144463 in words is "five billion, one hundred eighty-five million, one hundred forty-four thousand, four hundred sixty-three".