547221250913 has 2 divisors, whose sum is σ = 547221250914. Its totient is φ = 547221250912.

The previous prime is 547221250907. The next prime is 547221250931. The reversal of 547221250913 is 319052122745.

It is a happy number.

Together with next prime (547221250931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544242601984 + 2978648929 = 737728^2 + 54577^2 .

It is a cyclic number.

It is not a de Polignac number, because 547221250913 - 2¹⁴ = 547221234529 is a prime.

It is not a weakly prime, because it can be changed into another prime (547221250313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273610625456 + 273610625457.

It is an arithmetic number, because the mean of its divisors is an integer number (273610625457).

Almost surely, 2^547221250913 is an apocalyptic number.

It is an amenable number.

547221250913 is a deficient number, since it is larger than the sum of its proper divisors (1).

547221250913 is an equidigital number, since it uses as much as digits as its factorization.

547221250913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 547221250913 in words is "five hundred forty-seven billion, two hundred twenty-one million, two hundred fifty thousand, nine hundred thirteen".