5171836021 has 8 divisors (see below), whose sum is σ = 5644177344. Its totient is φ = 4699857120.

The previous prime is 5171835979. The next prime is 5171836049. The reversal of 5171836021 is 1206381715.

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 5171836021 - 2⁹ = 5171835509 is a prime.

It is a super-2 number, since 2×5171836021² = 53495775656226224882, 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 (5171836121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60321 + ... + 118246.

It is an arithmetic number, because the mean of its divisors is an integer number (705522168).

Almost surely, 2^5171836021 is an apocalyptic number.

It is an amenable number.

5171836021 is a deficient number, since it is larger than the sum of its proper divisors (472341323).

5171836021 is a wasteful number, since it uses less digits than its factorization.

5171836021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181211.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 5171836021 is about 71915.4783130864. The cubic root of 5171836021 is about 1729.3447595985.

The spelling of 5171836021 in words is "five billion, one hundred seventy-one million, eight hundred thirty-six thousand, twenty-one".