2236196054549 has 2 divisors, whose sum is σ = 2236196054550.
Its totient is φ = 2236196054548.
The previous prime is 2236196054539. The next prime is 2236196054563. The reversal of 2236196054549 is 9454506916322.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2024957460100 + 211238594449 = 1423010^2 + 459607^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2236196054549 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2236196054494 and 2236196054503.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2236196054539) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118098027274 + 1118098027275.
It is an arithmetic number, because the mean of its divisors is an integer number (1118098027275).
Almost surely, 22236196054549 is an apocalyptic number.
It is an amenable number.
2236196054549 is a deficient number, since it is larger than the sum of its proper divisors (1).
2236196054549 is an equidigital number, since it uses as much as digits as its factorization.
2236196054549 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13996800, while the sum is 56.
The spelling of 2236196054549 in words is "two trillion, two hundred thirty-six billion, one hundred ninety-six million, fifty-four thousand, five hundred forty-nine".