548344155493 has 2 divisors, whose sum is σ = 548344155494. Its totient is φ = 548344155492.

The previous prime is 548344155427. The next prime is 548344155517. The reversal of 548344155493 is 394551443845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328239618084 + 220104537409 = 572922^2 + 469153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548344155493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548344155893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274172077746 + 274172077747.

It is an arithmetic number, because the mean of its divisors is an integer number (274172077747).

Almost surely, 2^548344155493 is an apocalyptic number.

It is an amenable number.

548344155493 is a deficient number, since it is larger than the sum of its proper divisors (1).

548344155493 is an equidigital number, since it uses as much as digits as its factorization.

548344155493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736000, while the sum is 55.

The spelling of 548344155493 in words is "five hundred forty-eight billion, three hundred forty-four million, one hundred fifty-five thousand, four hundred ninety-three".