5208906993 has 16 divisors (see below), whose sum is σ = 6995867712. Its totient is φ = 3447360000.

The previous prime is 5208906979. The next prime is 5208907001. The reversal of 5208906993 is 3996098025.

It is not a de Polignac number, because 5208906993 - 2¹⁶ = 5208841457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5208906973) 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 in 15 ways as a sum of consecutive naturals, for example, 243573 + ... + 264093.

It is an arithmetic number, because the mean of its divisors is an integer number (437241732).

Almost surely, 2^5208906993 is an apocalyptic number.

It is an amenable number.

5208906993 is a deficient number, since it is larger than the sum of its proper divisors (1786960719).

5208906993 is a wasteful number, since it uses less digits than its factorization.

5208906993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21136.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 5208906993 is about 72172.7579700263. The cubic root of 5208906993 is about 1733.4668240838.

The spelling of 5208906993 in words is "five billion, two hundred eight million, nine hundred six thousand, nine hundred ninety-three".