2196259939 has 2 divisors, whose sum is σ = 2196259940. Its totient is φ = 2196259938.

The previous prime is 2196259931. The next prime is 2196259957. The reversal of 2196259939 is 9399526912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2196259939 - 2³ = 2196259931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2196259939.

It is not a weakly prime, because it can be changed into another prime (2196259931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098129969 + 1098129970.

It is an arithmetic number, because the mean of its divisors is an integer number (1098129970).

Almost surely, 2^2196259939 is an apocalyptic number.

2196259939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196259939 is an equidigital number, since it uses as much as digits as its factorization.

2196259939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2361960, while the sum is 55.

The square root of 2196259939 is about 46864.2714549154. The cubic root of 2196259939 is about 1299.8540149680.

The spelling of 2196259939 in words is "two billion, one hundred ninety-six million, two hundred fifty-nine thousand, nine hundred thirty-nine".