548322643097 has 2 divisors, whose sum is σ = 548322643098. Its totient is φ = 548322643096.

The previous prime is 548322643013. The next prime is 548322643109. The reversal of 548322643097 is 790346223845.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334750187776 + 213572455321 = 578576^2 + 462139^2 .

It is a cyclic number.

It is not a de Polignac number, because 548322643097 - 2³⁸ = 273444736153 is a prime.

It is not a weakly prime, because it can be changed into another prime (548322693097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274161321548 + 274161321549.

It is an arithmetic number, because the mean of its divisors is an integer number (274161321549).

Almost surely, 2^548322643097 is an apocalyptic number.

It is an amenable number.

548322643097 is a deficient number, since it is larger than the sum of its proper divisors (1).

548322643097 is an equidigital number, since it uses as much as digits as its factorization.

548322643097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 548322643097 in words is "five hundred forty-eight billion, three hundred twenty-two million, six hundred forty-three thousand, ninety-seven".