18842227695445 has 24 divisors (see below), whose sum is σ = 28403490350592. Its totient is φ = 11745804275040.

The previous prime is 18842227695439. The next prime is 18842227695509. The reversal of 18842227695445 is 54459672224881.

It is not a de Polignac number, because 18842227695445 - 2⁹ = 18842227694933 is a prime.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2224579909 + ... + 2224588378.

It is an arithmetic number, because the mean of its divisors is an integer number (1183478764608).

Almost surely, 2^{18842227695445} is an apocalyptic number.

It is an amenable number.

18842227695445 is a deficient number, since it is larger than the sum of its proper divisors (9561262655147).

18842227695445 is a wasteful number, since it uses less digits than its factorization.

18842227695445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449168321 (or 4449168310 counting only the distinct ones).

The product of its digits is 309657600, while the sum is 67.

The spelling of 18842227695445 in words is "eighteen trillion, eight hundred forty-two billion, two hundred twenty-seven million, six hundred ninety-five thousand, four hundred forty-five".