5386815831 has 4 divisors (see below), whose sum is σ = 7182421112. Its totient is φ = 3591210552.

The previous prime is 5386815793. The next prime is 5386815839. The reversal of 5386815831 is 1385186835.

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

It is not a de Polignac number, because 5386815831 - 2⁷ = 5386815703 is a prime.

It is a super-2 number, since 2×5386815831² = 58035569594224441122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5386815839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897802636 + ... + 897802641.

It is an arithmetic number, because the mean of its divisors is an integer number (1795605278).

Almost surely, 2^5386815831 is an apocalyptic number.

5386815831 is a deficient number, since it is larger than the sum of its proper divisors (1795605281).

5386815831 is a wasteful number, since it uses less digits than its factorization.

5386815831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795605280.

The product of its digits is 691200, while the sum is 48.

The square root of 5386815831 is about 73394.9305538196. The cubic root of 5386815831 is about 1752.9816740133.

The spelling of 5386815831 in words is "five billion, three hundred eighty-six million, eight hundred fifteen thousand, eight hundred thirty-one".