2019248243 has 2 divisors, whose sum is σ = 2019248244. Its totient is φ = 2019248242.

The previous prime is 2019248239. The next prime is 2019248281. The reversal of 2019248243 is 3428429102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2019248243 - 2² = 2019248239 is a prime.

It is not a weakly prime, because it can be changed into another prime (2019248213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009624121 + 1009624122.

It is an arithmetic number, because the mean of its divisors is an integer number (1009624122).

Almost surely, 2^2019248243 is an apocalyptic number.

2019248243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019248243 is an equidigital number, since it uses as much as digits as its factorization.

2019248243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2019248243 is about 44936.0461433803. The cubic root of 2019248243 is about 1263.9500300290.

The spelling of 2019248243 in words is "two billion, nineteen million, two hundred forty-eight thousand, two hundred forty-three".