4545250019 has 2 divisors, whose sum is σ = 4545250020. Its totient is φ = 4545250018.

The previous prime is 4545249979. The next prime is 4545250057. The reversal of 4545250019 is 9100525454.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4545250019 - 2⁸ = 4545249763 is a prime.

It is a super-2 number, since 2×4545250019² = 41318595470439000722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4545250079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272625009 + 2272625010.

It is an arithmetic number, because the mean of its divisors is an integer number (2272625010).

Almost surely, 2^4545250019 is an apocalyptic number.

4545250019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545250019 is an equidigital number, since it uses as much as digits as its factorization.

4545250019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 4545250019 is about 67418.4694204785. The cubic root of 4545250019 is about 1656.4789667380.

The spelling of 4545250019 in words is "four billion, five hundred forty-five million, two hundred fifty thousand, nineteen".