5378193209 has 2 divisors, whose sum is σ = 5378193210. Its totient is φ = 5378193208.

The previous prime is 5378193169. The next prime is 5378193211. The reversal of 5378193209 is 9023918735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689459600 + 2688733609 = 51860^2 + 51853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5378193209 is a prime.

Together with 5378193211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5378193229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2689096604 + 2689096605.

It is an arithmetic number, because the mean of its divisors is an integer number (2689096605).

Almost surely, 2^5378193209 is an apocalyptic number.

It is an amenable number.

5378193209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5378193209 is an equidigital number, since it uses as much as digits as its factorization.

5378193209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 5378193209 is about 73336.1657642394. The cubic root of 5378193209 is about 1752.0458477930.

The spelling of 5378193209 in words is "five billion, three hundred seventy-eight million, one hundred ninety-three thousand, two hundred nine".