2021714459 has 2 divisors, whose sum is σ = 2021714460. Its totient is φ = 2021714458.

The previous prime is 2021714419. The next prime is 2021714479. The reversal of 2021714459 is 9544171202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021714459 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021714419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010857229 + 1010857230.

It is an arithmetic number, because the mean of its divisors is an integer number (1010857230).

Almost surely, 2^2021714459 is an apocalyptic number.

2021714459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021714459 is an equidigital number, since it uses as much as digits as its factorization.

2021714459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2021714459 is about 44963.4791692102. The cubic root of 2021714459 is about 1264.4643972943.

The spelling of 2021714459 in words is "two billion, twenty-one million, seven hundred fourteen thousand, four hundred fifty-nine".