5381906631 has 16 divisors (see below), whose sum is σ = 7636568544. Its totient is φ = 3359734784.

The previous prime is 5381906611. The next prime is 5381906659. The reversal of 5381906631 is 1366091835.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5381906631 - 2¹⁷ = 5381775559 is a prime.

It is a super-2 number, since 2×5381906631² = 57929837969603540322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381906611) 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 15 ways as a sum of consecutive naturals, for example, 257790 + ... + 277883.

It is an arithmetic number, because the mean of its divisors is an integer number (477285534).

Almost surely, 2^5381906631 is an apocalyptic number.

5381906631 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5381906631 is a deficient number, since it is larger than the sum of its proper divisors (2254661913).

5381906631 is a wasteful number, since it uses less digits than its factorization.

5381906631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535890.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 5381906631 is about 73361.4792040073. The cubic root of 5381906631 is about 1752.4489936403.

The spelling of 5381906631 in words is "five billion, three hundred eighty-one million, nine hundred six thousand, six hundred thirty-one".