5321454322421 has 2 divisors, whose sum is σ = 5321454322422. Its totient is φ = 5321454322420.

The previous prime is 5321454322367. The next prime is 5321454322427. The reversal of 5321454322421 is 1242234541235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4038648910321 + 1282805412100 = 2009639^2 + 1132610^2 .

It is a cyclic number.

It is not a de Polignac number, because 5321454322421 - 2³⁰ = 5320380580597 is a prime.

It is a super-2 number, since 2×5321454322421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5321454322427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660727161210 + 2660727161211.

It is an arithmetic number, because the mean of its divisors is an integer number (2660727161211).

Almost surely, 2^{5321454322421} is an apocalyptic number.

It is an amenable number.

5321454322421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5321454322421 is an equidigital number, since it uses as much as digits as its factorization.

5321454322421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 38.

Adding to 5321454322421 its reverse (1242234541235), we get a palindrome (6563688863656).

The spelling of 5321454322421 in words is "five trillion, three hundred twenty-one billion, four hundred fifty-four million, three hundred twenty-two thousand, four hundred twenty-one".