2434243420621 has 2 divisors, whose sum is σ = 2434243420622. Its totient is φ = 2434243420620.

The previous prime is 2434243420597. The next prime is 2434243420669. The reversal of 2434243420621 is 1260243424342.

2434243420621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2419798024900 + 14445395721 = 1555570^2 + 120189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2434243420621 - 2²³ = 2434235032013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2434243423621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1217121710310 + 1217121710311.

It is an arithmetic number, because the mean of its divisors is an integer number (1217121710311).

Almost surely, 2^{2434243420621} is an apocalyptic number.

It is an amenable number.

2434243420621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2434243420621 is an equidigital number, since it uses as much as digits as its factorization.

2434243420621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 2434243420621 its reverse (1260243424342), we get a palindrome (3694486844963).

The spelling of 2434243420621 in words is "two trillion, four hundred thirty-four billion, two hundred forty-three million, four hundred twenty thousand, six hundred twenty-one".