545223213907 has 2 divisors, whose sum is σ = 545223213908. Its totient is φ = 545223213906.

The previous prime is 545223213893. The next prime is 545223213923. The reversal of 545223213907 is 709312322545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545223213907 - 2⁷ = 545223213779 is a prime.

It is not a weakly prime, because it can be changed into another prime (545223219907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272611606953 + 272611606954.

It is an arithmetic number, because the mean of its divisors is an integer number (272611606954).

Almost surely, 2^545223213907 is an apocalyptic number.

545223213907 is a deficient number, since it is larger than the sum of its proper divisors (1).

545223213907 is an equidigital number, since it uses as much as digits as its factorization.

545223213907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 545223213907 in words is "five hundred forty-five billion, two hundred twenty-three million, two hundred thirteen thousand, nine hundred seven".