5208381873 has 6 divisors (see below), whose sum is σ = 7523218274. Its totient is φ = 3472254576.

The previous prime is 5208381803. The next prime is 5208381907. The reversal of 5208381873 is 3781838025.

It can be written as a sum of positive squares in only one way, i.e., 5044976784 + 163405089 = 71028^2 + 12783^2 .

It is not a de Polignac number, because 5208381873 - 2⁸ = 5208381617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5208381803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289354540 + ... + 289354557.

Almost surely, 2^5208381873 is an apocalyptic number.

It is an amenable number.

5208381873 is a deficient number, since it is larger than the sum of its proper divisors (2314836401).

5208381873 is a wasteful number, since it uses less digits than its factorization.

5208381873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578709103 (or 578709100 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 5208381873 is about 72169.1199405951. The cubic root of 5208381873 is about 1733.4085707439.

It can be divided in two parts, 52083 and 81873, that added together give a square (133956 = 366²).

The spelling of 5208381873 in words is "five billion, two hundred eight million, three hundred eighty-one thousand, eight hundred seventy-three".