5331438227729 has 2 divisors, whose sum is σ = 5331438227730. Its totient is φ = 5331438227728.

The previous prime is 5331438227719. The next prime is 5331438227741. The reversal of 5331438227729 is 9277228341335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2701371652225 + 2630066575504 = 1643585^2 + 1621748^2 .

It is a cyclic number.

It is not a de Polignac number, because 5331438227729 - 2⁸ = 5331438227473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5331438227719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2665719113864 + 2665719113865.

It is an arithmetic number, because the mean of its divisors is an integer number (2665719113865).

Almost surely, 2^{5331438227729} is an apocalyptic number.

It is an amenable number.

5331438227729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5331438227729 is an equidigital number, since it uses as much as digits as its factorization.

5331438227729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The spelling of 5331438227729 in words is "five trillion, three hundred thirty-one billion, four hundred thirty-eight million, two hundred twenty-seven thousand, seven hundred twenty-nine".