5783493981 has 16 divisors (see below), whose sum is σ = 7800066560. Its totient is φ = 3811425840.

The previous prime is 5783493977. The next prime is 5783494001. The reversal of 5783493981 is 1893943875.

It is not a de Polignac number, because 5783493981 - 2² = 5783493977 is a prime.

It is a super-2 number, since 2×5783493981² = 66897605256526456722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5783493481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160050 + ... + 192828.

It is an arithmetic number, because the mean of its divisors is an integer number (487504160).

Almost surely, 2^5783493981 is an apocalyptic number.

It is an amenable number.

5783493981 is a deficient number, since it is larger than the sum of its proper divisors (2016572579).

5783493981 is a wasteful number, since it uses less digits than its factorization.

5783493981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33456.

The product of its digits is 6531840, while the sum is 57.

The square root of 5783493981 is about 76049.2865252528. The cubic root of 5783493981 is about 1794.9957693173.

The spelling of 5783493981 in words is "five billion, seven hundred eighty-three million, four hundred ninety-three thousand, nine hundred eighty-one".