2192645393 has 2 divisors, whose sum is σ = 2192645394. Its totient is φ = 2192645392.

The previous prime is 2192645341. The next prime is 2192645449. The reversal of 2192645393 is 3935462912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1589058769 + 603586624 = 39863^2 + 24568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2192645393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2192645893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096322696 + 1096322697.

It is an arithmetic number, because the mean of its divisors is an integer number (1096322697).

Almost surely, 2^2192645393 is an apocalyptic number.

It is an amenable number.

2192645393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2192645393 is an equidigital number, since it uses as much as digits as its factorization.

2192645393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The square root of 2192645393 is about 46825.6915912622. The cubic root of 2192645393 is about 1299.1405350657.

The spelling of 2192645393 in words is "two billion, one hundred ninety-two million, six hundred forty-five thousand, three hundred ninety-three".