2193004739 has 2 divisors, whose sum is σ = 2193004740. Its totient is φ = 2193004738.

The previous prime is 2193004733. The next prime is 2193004747. The reversal of 2193004739 is 9374003912.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2193004739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2193004733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096502369 + 1096502370.

It is an arithmetic number, because the mean of its divisors is an integer number (1096502370).

Almost surely, 2^2193004739 is an apocalyptic number.

2193004739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193004739 is an equidigital number, since it uses as much as digits as its factorization.

2193004739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 2193004739 is about 46829.5284943165. The cubic root of 2193004739 is about 1299.2115019223.

The spelling of 2193004739 in words is "two billion, one hundred ninety-three million, four thousand, seven hundred thirty-nine".