1442874444091 has 2 divisors, whose sum is σ = 1442874444092. Its totient is φ = 1442874444090.

The previous prime is 1442874444059. The next prime is 1442874444211. The reversal of 1442874444091 is 1904444782441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442874444091 - 2⁵ = 1442874444059 is a prime.

It is a super-2 number, since 2×1442874444091² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1442874444041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721437222045 + 721437222046.

It is an arithmetic number, because the mean of its divisors is an integer number (721437222046).

Almost surely, 2^{1442874444091} is an apocalyptic number.

1442874444091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442874444091 is an equidigital number, since it uses as much as digits as its factorization.

1442874444091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 1442874444091 in words is "one trillion, four hundred forty-two billion, eight hundred seventy-four million, four hundred forty-four thousand, ninety-one".