536410216421 has 2 divisors, whose sum is σ = 536410216422. Its totient is φ = 536410216420.

The previous prime is 536410216379. The next prime is 536410216423. The reversal of 536410216421 is 124612014635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475196529025 + 61213687396 = 689345^2 + 247414^2 .

It is a cyclic number.

It is not a de Polignac number, because 536410216421 - 2¹⁴ = 536410200037 is a prime.

Together with 536410216423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536410216423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268205108210 + 268205108211.

It is an arithmetic number, because the mean of its divisors is an integer number (268205108211).

Almost surely, 2^536410216421 is an apocalyptic number.

It is an amenable number.

536410216421 is a deficient number, since it is larger than the sum of its proper divisors (1).

536410216421 is an equidigital number, since it uses as much as digits as its factorization.

536410216421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 536410216421 in words is "five hundred thirty-six billion, four hundred ten million, two hundred sixteen thousand, four hundred twenty-one".