4545400019 has 2 divisors, whose sum is σ = 4545400020. Its totient is φ = 4545400018.

The previous prime is 4545400003. The next prime is 4545400063. The reversal of 4545400019 is 9100045454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4545400019 - 2⁴ = 4545400003 is a prime.

It is a super-2 number, since 2×4545400019² = 41321322665450400722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4545400819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272700009 + 2272700010.

It is an arithmetic number, because the mean of its divisors is an integer number (2272700010).

Almost surely, 2^4545400019 is an apocalyptic number.

4545400019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545400019 is an equidigital number, since it uses as much as digits as its factorization.

4545400019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 4545400019 is about 67419.5818661018. The cubic root of 4545400019 is about 1656.4971886261.

The spelling of 4545400019 in words is "four billion, five hundred forty-five million, four hundred thousand, nineteen".