5421635650439 has 2 divisors, whose sum is σ = 5421635650440. Its totient is φ = 5421635650438.

The previous prime is 5421635650331. The next prime is 5421635650447. The reversal of 5421635650439 is 9340565361245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5421635650439 - 2¹⁶ = 5421635584903 is a prime.

It is a super-2 number, since 2×5421635650439² (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 (5421635652439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710817825219 + 2710817825220.

It is an arithmetic number, because the mean of its divisors is an integer number (2710817825220).

Almost surely, 2^{5421635650439} is an apocalyptic number.

5421635650439 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421635650439 is an equidigital number, since it uses as much as digits as its factorization.

5421635650439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 5421635650439 in words is "five trillion, four hundred twenty-one billion, six hundred thirty-five million, six hundred fifty thousand, four hundred thirty-nine".