2021412414397 has 2 divisors, whose sum is σ = 2021412414398. Its totient is φ = 2021412414396.

The previous prime is 2021412414389. The next prime is 2021412414487. The reversal of 2021412414397 is 7934142141202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1928837658276 + 92574756121 = 1388826^2 + 304261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021412414397 - 2³ = 2021412414389 is a prime.

It is a super-2 number, since 2×2021412414397² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021412418397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010706207198 + 1010706207199.

It is an arithmetic number, because the mean of its divisors is an integer number (1010706207199).

Almost surely, 2^{2021412414397} is an apocalyptic number.

It is an amenable number.

2021412414397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021412414397 is an equidigital number, since it uses as much as digits as its factorization.

2021412414397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

Adding to 2021412414397 its reverse (7934142141202), we get a palindrome (9955554555599).

The spelling of 2021412414397 in words is "two trillion, twenty-one billion, four hundred twelve million, four hundred fourteen thousand, three hundred ninety-seven".