1226450546219 has 2 divisors, whose sum is σ = 1226450546220. Its totient is φ = 1226450546218.

The previous prime is 1226450546207. The next prime is 1226450546221. The reversal of 1226450546219 is 9126450546221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1226450546219 - 2³⁶ = 1157731069483 is a prime.

It is a super-2 number, since 2×1226450546219² (a number of 25 digits) contains 22 as substring.

Together with 1226450546221, 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 (1226450446219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613225273109 + 613225273110.

It is an arithmetic number, because the mean of its divisors is an integer number (613225273110).

Almost surely, 2^{1226450546219} is an apocalyptic number.

1226450546219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226450546219 is an equidigital number, since it uses as much as digits as its factorization.

1226450546219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 1226450546219 in words is "one trillion, two hundred twenty-six billion, four hundred fifty million, five hundred forty-six thousand, two hundred nineteen".