2145304219 has 2 divisors, whose sum is σ = 2145304220. Its totient is φ = 2145304218.

The previous prime is 2145304151. The next prime is 2145304223. The reversal of 2145304219 is 9124035412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145304219 - 2¹⁵ = 2145271451 is a prime.

It is a super-2 number, since 2×2145304219² = 9204660384118399922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2145304229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072652109 + 1072652110.

It is an arithmetic number, because the mean of its divisors is an integer number (1072652110).

Almost surely, 2^2145304219 is an apocalyptic number.

2145304219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145304219 is an equidigital number, since it uses as much as digits as its factorization.

2145304219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2145304219 is about 46317.4288902137. The cubic root of 2145304219 is about 1289.7225569636.

The spelling of 2145304219 in words is "two billion, one hundred forty-five million, three hundred four thousand, two hundred nineteen".