543147327397 has 2 divisors, whose sum is σ = 543147327398. Its totient is φ = 543147327396.

The previous prime is 543147327323. The next prime is 543147327427. The reversal of 543147327397 is 793723741345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531362270916 + 11785056481 = 728946^2 + 108559^2 .

It is a cyclic number.

It is not a de Polignac number, because 543147327397 - 2¹⁵ = 543147294629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543147327197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271573663698 + 271573663699.

It is an arithmetic number, because the mean of its divisors is an integer number (271573663699).

Almost surely, 2^543147327397 is an apocalyptic number.

It is an amenable number.

543147327397 is a deficient number, since it is larger than the sum of its proper divisors (1).

543147327397 is an equidigital number, since it uses as much as digits as its factorization.

543147327397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13335840, while the sum is 55.

The spelling of 543147327397 in words is "five hundred forty-three billion, one hundred forty-seven million, three hundred twenty-seven thousand, three hundred ninety-seven".