543140452345397 has 2 divisors, whose sum is σ = 543140452345398. Its totient is φ = 543140452345396.

The previous prime is 543140452345391. The next prime is 543140452345417. The reversal of 543140452345397 is 793543254041345.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519721492354801 + 23418959990596 = 22797401^2 + 4839314^2 .

It is a cyclic number.

It is not a de Polignac number, because 543140452345397 - 2¹⁶ = 543140452279861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543140452345391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271570226172698 + 271570226172699.

It is an arithmetic number, because the mean of its divisors is an integer number (271570226172699).

Almost surely, 2^{543140452345397} is an apocalyptic number.

It is an amenable number.

543140452345397 is a deficient number, since it is larger than the sum of its proper divisors (1).

543140452345397 is an equidigital number, since it uses as much as digits as its factorization.

543140452345397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864000, while the sum is 59.

The spelling of 543140452345397 in words is "five hundred forty-three trillion, one hundred forty billion, four hundred fifty-two million, three hundred forty-five thousand, three hundred ninety-seven".