442211123491 has 2 divisors, whose sum is σ = 442211123492. Its totient is φ = 442211123490.

The previous prime is 442211123413. The next prime is 442211123503. The reversal of 442211123491 is 194321112244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442211123491 - 2²⁷ = 442076905763 is a prime.

It is not a weakly prime, because it can be changed into another prime (442211123591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221105561745 + 221105561746.

It is an arithmetic number, because the mean of its divisors is an integer number (221105561746).

Almost surely, 2^442211123491 is an apocalyptic number.

442211123491 is a deficient number, since it is larger than the sum of its proper divisors (1).

442211123491 is an equidigital number, since it uses as much as digits as its factorization.

442211123491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The spelling of 442211123491 in words is "four hundred forty-two billion, two hundred eleven million, one hundred twenty-three thousand, four hundred ninety-one".