2163725419 has 2 divisors, whose sum is σ = 2163725420. Its totient is φ = 2163725418.

The previous prime is 2163725401. The next prime is 2163725503. The reversal of 2163725419 is 9145273612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2163725419 - 2⁵ = 2163725387 is a prime.

It is a super-2 number, since 2×2163725419² = 9363415377653451122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2163725219) 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, 1081862709 + 1081862710.

It is an arithmetic number, because the mean of its divisors is an integer number (1081862710).

Almost surely, 2^2163725419 is an apocalyptic number.

2163725419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163725419 is an equidigital number, since it uses as much as digits as its factorization.

2163725419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 2163725419 is about 46515.8620150159. The cubic root of 2163725419 is about 1293.4035512428.

The spelling of 2163725419 in words is "two billion, one hundred sixty-three million, seven hundred twenty-five thousand, four hundred nineteen".