2354909183993 has 2 divisors, whose sum is σ = 2354909183994. Its totient is φ = 2354909183992.

The previous prime is 2354909183969. The next prime is 2354909184007. The reversal of 2354909183993 is 3993819094532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1299629640169 + 1055279543824 = 1140013^2 + 1027268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2354909183993 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 (2354909183933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177454591996 + 1177454591997.

It is an arithmetic number, because the mean of its divisors is an integer number (1177454591997).

Almost surely, 2^{2354909183993} is an apocalyptic number.

It is an amenable number.

2354909183993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2354909183993 is an equidigital number, since it uses as much as digits as its factorization.

2354909183993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56687040, while the sum is 65.

The spelling of 2354909183993 in words is "two trillion, three hundred fifty-four billion, nine hundred nine million, one hundred eighty-three thousand, nine hundred ninety-three".