1045204451219 has 2 divisors, whose sum is σ = 1045204451220. Its totient is φ = 1045204451218.

The previous prime is 1045204451201. The next prime is 1045204451257. The reversal of 1045204451219 is 9121544025401.

It is a happy number.

It is an a-pointer prime, because the next prime (1045204451257) can be obtained adding 1045204451219 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045204451219 - 2¹² = 1045204447123 is a prime.

It is a super-2 number, since 2×1045204451219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1045204453219) 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, 522602225609 + 522602225610.

It is an arithmetic number, because the mean of its divisors is an integer number (522602225610).

Almost surely, 2^{1045204451219} is an apocalyptic number.

1045204451219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045204451219 is an equidigital number, since it uses as much as digits as its factorization.

1045204451219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 1045204451219 in words is "one trillion, forty-five billion, two hundred four million, four hundred fifty-one thousand, two hundred nineteen".