5021615663 has 2 divisors, whose sum is σ = 5021615664. Its totient is φ = 5021615662.

The previous prime is 5021615639. The next prime is 5021615699. The reversal of 5021615663 is 3665161205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5021615663 - 2¹⁴ = 5021599279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5021615633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510807831 + 2510807832.

It is an arithmetic number, because the mean of its divisors is an integer number (2510807832).

Almost surely, 2^5021615663 is an apocalyptic number.

5021615663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021615663 is an equidigital number, since it uses as much as digits as its factorization.

5021615663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 5021615663 is about 70863.3591004547. The cubic root of 5021615663 is about 1712.4365551504.

Adding to 5021615663 its reverse (3665161205), we get a palindrome (8686776868).

The spelling of 5021615663 in words is "five billion, twenty-one million, six hundred fifteen thousand, six hundred sixty-three".