5381851631 has 8 divisors (see below), whose sum is σ = 6100884720. Its totient is φ = 4706396352.

The previous prime is 5381851609. The next prime is 5381851667. The reversal of 5381851631 is 1361581835.

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

It is a cyclic number.

It is not a de Polignac number, because 5381851631 - 2¹⁸ = 5381589487 is a prime.

It is a super-2 number, since 2×5381851631² = 57928653956194720322, 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 (5381851681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10894190 + ... + 10894683.

It is an arithmetic number, because the mean of its divisors is an integer number (762610590).

Almost surely, 2^5381851631 is an apocalyptic number.

5381851631 is a deficient number, since it is larger than the sum of its proper divisors (719033089).

5381851631 is a wasteful number, since it uses less digits than its factorization.

5381851631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21788905.

The product of its digits is 86400, while the sum is 41.

The square root of 5381851631 is about 73361.1043469222. The cubic root of 5381851631 is about 1752.4430239453.

The spelling of 5381851631 in words is "five billion, three hundred eighty-one million, eight hundred fifty-one thousand, six hundred thirty-one".