4545203230019 has 2 divisors, whose sum is σ = 4545203230020. Its totient is φ = 4545203230018.

The previous prime is 4545203230013. The next prime is 4545203230031. The reversal of 4545203230019 is 9100323025454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4545203230019 - 2¹⁶ = 4545203164483 is a prime.

It is a super-2 number, since 2×4545203230019² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4545203230013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272601615009 + 2272601615010.

It is an arithmetic number, because the mean of its divisors is an integer number (2272601615010).

Almost surely, 2^{4545203230019} is an apocalyptic number.

4545203230019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545203230019 is an equidigital number, since it uses as much as digits as its factorization.

4545203230019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 4545203230019 in words is "four trillion, five hundred forty-five billion, two hundred three million, two hundred thirty thousand, nineteen".