2041324656421 has 2 divisors, whose sum is σ = 2041324656422. Its totient is φ = 2041324656420.

The previous prime is 2041324656403. The next prime is 2041324656431. The reversal of 2041324656421 is 1246564231402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1999851333921 + 41473322500 = 1414161^2 + 203650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041324656421 - 2²³ = 2041316267813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2041324656431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020662328210 + 1020662328211.

It is an arithmetic number, because the mean of its divisors is an integer number (1020662328211).

Almost surely, 2^{2041324656421} is an apocalyptic number.

It is an amenable number.

2041324656421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041324656421 is an equidigital number, since it uses as much as digits as its factorization.

2041324656421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 2041324656421 its reverse (1246564231402), we get a palindrome (3287888887823).

The spelling of 2041324656421 in words is "two trillion, forty-one billion, three hundred twenty-four million, six hundred fifty-six thousand, four hundred twenty-one".