5381564671 has 8 divisors (see below), whose sum is σ = 6177941504. Its totient is φ = 4592083320.

The previous prime is 5381564647. The next prime is 5381564689. The reversal of 5381564671 is 1764651835.

It is a happy number.

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 5381564671 - 2¹⁹ = 5381040383 is a prime.

It is a super-2 number, since 2×5381564671² = 57922476616310676482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381564371) 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, 1722195 + ... + 1725316.

It is an arithmetic number, because the mean of its divisors is an integer number (772242688).

Almost surely, 2^5381564671 is an apocalyptic number.

5381564671 is a deficient number, since it is larger than the sum of its proper divisors (796376833).

5381564671 is a wasteful number, since it uses less digits than its factorization.

5381564671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447741.

The product of its digits is 604800, while the sum is 46.

The square root of 5381564671 is about 73359.1485160508. The cubic root of 5381564671 is about 1752.4118766734.

The spelling of 5381564671 in words is "five billion, three hundred eighty-one million, five hundred sixty-four thousand, six hundred seventy-one".