5021671717 has 4 divisors (see below), whose sum is σ = 5023098220. Its totient is φ = 5020245216.

The previous prime is 5021671693. The next prime is 5021671723. The reversal of 5021671717 is 7171761205.

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 530795521 + 4490876196 = 23039^2 + 67014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5021671717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021671757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707958 + ... + 715015.

It is an arithmetic number, because the mean of its divisors is an integer number (1255774555).

Almost surely, 2^5021671717 is an apocalyptic number.

It is an amenable number.

5021671717 is a deficient number, since it is larger than the sum of its proper divisors (1426503).

5021671717 is a wasteful number, since it uses less digits than its factorization.

5021671717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426502.

The product of its (nonzero) digits is 20580, while the sum is 37.

The square root of 5021671717 is about 70863.7546069921. The cubic root of 5021671717 is about 1712.4429268421.

The spelling of 5021671717 in words is "five billion, twenty-one million, six hundred seventy-one thousand, seven hundred seventeen".