5259338781 has 8 divisors (see below), whose sum is σ = 7019140800. Its totient is φ = 3502881312.

The previous prime is 5259338779. The next prime is 5259338789. The reversal of 5259338781 is 1878339525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5259338781 - 2¹ = 5259338779 is a prime.

It is a super-2 number, since 2×5259338781² = 55321288826661131922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5259338789) 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 7 ways as a sum of consecutive naturals, for example, 832465 + ... + 838758.

It is an arithmetic number, because the mean of its divisors is an integer number (877392600).

Almost surely, 2^5259338781 is an apocalyptic number.

It is an amenable number.

5259338781 is a deficient number, since it is larger than the sum of its proper divisors (1759802019).

5259338781 is a wasteful number, since it uses less digits than its factorization.

5259338781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672275.

The product of its digits is 1814400, while the sum is 51.

The square root of 5259338781 is about 72521.2988093843. The cubic root of 5259338781 is about 1739.0432469735.

The spelling of 5259338781 in words is "five billion, two hundred fifty-nine million, three hundred thirty-eight thousand, seven hundred eighty-one".