5432372731321 has 2 divisors, whose sum is σ = 5432372731322. Its totient is φ = 5432372731320.

The previous prime is 5432372731217. The next prime is 5432372731393. The reversal of 5432372731321 is 1231372732345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2963341902096 + 2469030829225 = 1721436^2 + 1571315^2 .

It is a cyclic number.

It is not a de Polignac number, because 5432372731321 - 2¹⁹ = 5432372207033 is a prime.

It is not a weakly prime, because it can be changed into another prime (5432372732321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716186365660 + 2716186365661.

It is an arithmetic number, because the mean of its divisors is an integer number (2716186365661).

Almost surely, 2^{5432372731321} is an apocalyptic number.

It is an amenable number.

5432372731321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5432372731321 is an equidigital number, since it uses as much as digits as its factorization.

5432372731321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 43.

The spelling of 5432372731321 in words is "five trillion, four hundred thirty-two billion, three hundred seventy-two million, seven hundred thirty-one thousand, three hundred twenty-one".