2021342140459 has 2 divisors, whose sum is σ = 2021342140460. Its totient is φ = 2021342140458.

The previous prime is 2021342140397. The next prime is 2021342140507. The reversal of 2021342140459 is 9540412431202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021342140459 - 2¹¹ = 2021342138411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021345140459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010671070229 + 1010671070230.

It is an arithmetic number, because the mean of its divisors is an integer number (1010671070230).

Almost surely, 2^{2021342140459} is an apocalyptic number.

2021342140459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021342140459 is an equidigital number, since it uses as much as digits as its factorization.

2021342140459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 2021342140459 in words is "two trillion, twenty-one billion, three hundred forty-two million, one hundred forty thousand, four hundred fifty-nine".