5980291721 has 4 divisors (see below), whose sum is σ = 6047486100. Its totient is φ = 5913097344.

The previous prime is 5980291717. The next prime is 5980291763. The reversal of 5980291721 is 1271920895.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3604801600 + 2375490121 = 60040^2 + 48739^2 .

It is not a de Polignac number, because 5980291721 - 2² = 5980291717 is a prime.

It is a super-2 number, since 2×5980291721² = 71527778136522283682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5980291711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33597056 + ... + 33597233.

It is an arithmetic number, because the mean of its divisors is an integer number (1511871525).

Almost surely, 2^5980291721 is an apocalyptic number.

It is an amenable number.

5980291721 is a deficient number, since it is larger than the sum of its proper divisors (67194379).

5980291721 is an equidigital number, since it uses as much as digits as its factorization.

5980291721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67194378.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 5980291721 is about 77332.3458909660. The cubic root of 5980291721 is about 1815.1288371434.

The spelling of 5980291721 in words is "five billion, nine hundred eighty million, two hundred ninety-one thousand, seven hundred twenty-one".