5065521663 has 4 divisors (see below), whose sum is σ = 6754028888. Its totient is φ = 3377014440.

The previous prime is 5065521631. The next prime is 5065521677. The reversal of 5065521663 is 3661255605.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5065521663 - 2⁵ = 5065521631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5065521683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844253608 + ... + 844253613.

It is an arithmetic number, because the mean of its divisors is an integer number (1688507222).

Almost surely, 2^5065521663 is an apocalyptic number.

5065521663 is a deficient number, since it is larger than the sum of its proper divisors (1688507225).

5065521663 is a wasteful number, since it uses less digits than its factorization.

5065521663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688507224.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 5065521663 is about 71172.4782693423. The cubic root of 5065521663 is about 1717.4129196541.

The spelling of 5065521663 in words is "five billion, sixty-five million, five hundred twenty-one thousand, six hundred sixty-three".