5921773681 has 8 divisors (see below), whose sum is σ = 6378410720. Its totient is φ = 5479633152.

The previous prime is 5921773633. The next prime is 5921773709. The reversal of 5921773681 is 1863771295.

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 5921773681 - 2¹³ = 5921765489 is a prime.

It is a super-2 number, since 2×5921773681² = 70134807057968579522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5921753681) 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, 3623280 + ... + 3624913.

It is an arithmetic number, because the mean of its divisors is an integer number (797301340).

Almost surely, 2^5921773681 is an apocalyptic number.

It is an amenable number.

5921773681 is a deficient number, since it is larger than the sum of its proper divisors (456637039).

5921773681 is a wasteful number, since it uses less digits than its factorization.

5921773681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248255.

The product of its digits is 635040, while the sum is 49.

The square root of 5921773681 is about 76953.0615440348. The cubic root of 5921773681 is about 1809.1889858861.

The spelling of 5921773681 in words is "five billion, nine hundred twenty-one million, seven hundred seventy-three thousand, six hundred eighty-one".