1045694418227 has 2 divisors, whose sum is σ = 1045694418228. Its totient is φ = 1045694418226.

The previous prime is 1045694418203. The next prime is 1045694418253. The reversal of 1045694418227 is 7228144965401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045694418227 - 2²⁸ = 1045425982771 is a prime.

It is a super-2 number, since 2×1045694418227² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1045694418277) 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, 522847209113 + 522847209114.

It is an arithmetic number, because the mean of its divisors is an integer number (522847209114).

Almost surely, 2^{1045694418227} is an apocalyptic number.

1045694418227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045694418227 is an equidigital number, since it uses as much as digits as its factorization.

1045694418227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 1045694418227 in words is "one trillion, forty-five billion, six hundred ninety-four million, four hundred eighteen thousand, two hundred twenty-seven".