549304040743 has 2 divisors, whose sum is σ = 549304040744. Its totient is φ = 549304040742.

The previous prime is 549304040731. The next prime is 549304040777. The reversal of 549304040743 is 347040403945.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549304040743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 549304040743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549304040723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274652020371 + 274652020372.

It is an arithmetic number, because the mean of its divisors is an integer number (274652020372).

Almost surely, 2^549304040743 is an apocalyptic number.

549304040743 is a deficient number, since it is larger than the sum of its proper divisors (1).

549304040743 is an equidigital number, since it uses as much as digits as its factorization.

549304040743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 549304040743 in words is "five hundred forty-nine billion, three hundred four million, forty thousand, seven hundred forty-three".