2145300019 has 2 divisors, whose sum is σ = 2145300020. Its totient is φ = 2145300018.

The previous prime is 2145299993. The next prime is 2145300029. The reversal of 2145300019 is 9100035412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145300019 - 2²³ = 2136911411 is a prime.

It is a super-2 number, since 2×2145300019² = 9204624343042800722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2145299966 and 2145300002.

It is not a weakly prime, because it can be changed into another prime (2145300029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072650009 + 1072650010.

It is an arithmetic number, because the mean of its divisors is an integer number (1072650010).

Almost surely, 2^2145300019 is an apocalyptic number.

2145300019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145300019 is an equidigital number, since it uses as much as digits as its factorization.

2145300019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2145300019 is about 46317.3835508872. The cubic root of 2145300019 is about 1289.7217153055.

The spelling of 2145300019 in words is "two billion, one hundred forty-five million, three hundred thousand, nineteen".