2196765019 has 2 divisors, whose sum is σ = 2196765020. Its totient is φ = 2196765018.

The previous prime is 2196764987. The next prime is 2196765061. The reversal of 2196765019 is 9105676912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2196765019 - 2⁵ = 2196764987 is a prime.

It is a super-2 number, since 2×2196765019² = 9651553097404140722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2196765019.

It is not a weakly prime, because it can be changed into another prime (2196765089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098382509 + 1098382510.

It is an arithmetic number, because the mean of its divisors is an integer number (1098382510).

Almost surely, 2^2196765019 is an apocalyptic number.

2196765019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196765019 is an equidigital number, since it uses as much as digits as its factorization.

2196765019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 2196765019 is about 46869.6598984887. The cubic root of 2196765019 is about 1299.9536510103.

The spelling of 2196765019 in words is "two billion, one hundred ninety-six million, seven hundred sixty-five thousand, nineteen".