549323285885513 has 2 divisors, whose sum is σ = 549323285885514. Its totient is φ = 549323285885512.

The previous prime is 549323285885459. The next prime is 549323285885567. The reversal of 549323285885513 is 315588582323945.

It is a balanced prime because it is at equal distance from previous prime (549323285885459) and next prime (549323285885567).

It can be written as a sum of positive squares in only one way, i.e., 512143694270464 + 37179591615049 = 22630592^2 + 6097507^2 .

It is a cyclic number.

It is not a de Polignac number, because 549323285885513 - 2²² = 549323281691209 is a prime.

It is not a weakly prime, because it can be changed into another prime (549323285885113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274661642942756 + 274661642942757.

It is an arithmetic number, because the mean of its divisors is an integer number (274661642942757).

Almost surely, 2^{549323285885513} is an apocalyptic number.

It is an amenable number.

549323285885513 is a deficient number, since it is larger than the sum of its proper divisors (1).

549323285885513 is an equidigital number, since it uses as much as digits as its factorization.

549323285885513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160000, while the sum is 71.

The spelling of 549323285885513 in words is "five hundred forty-nine trillion, three hundred twenty-three billion, two hundred eighty-five million, eight hundred eighty-five thousand, five hundred thirteen".