5718370421 has 2 divisors, whose sum is σ = 5718370422. Its totient is φ = 5718370420.

The previous prime is 5718370369. The next prime is 5718370433. The reversal of 5718370421 is 1240738175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3895507396 + 1822863025 = 62414^2 + 42695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5718370421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5718370451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2859185210 + 2859185211.

It is an arithmetic number, because the mean of its divisors is an integer number (2859185211).

Almost surely, 2^5718370421 is an apocalyptic number.

It is an amenable number.

5718370421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5718370421 is an equidigital number, since it uses as much as digits as its factorization.

5718370421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 5718370421 is about 75619.9075706920. The cubic root of 5718370421 is about 1788.2329576711.

The spelling of 5718370421 in words is "five billion, seven hundred eighteen million, three hundred seventy thousand, four hundred twenty-one".