442431100011491 has 2 divisors, whose sum is σ = 442431100011492. Its totient is φ = 442431100011490.

The previous prime is 442431100011427. The next prime is 442431100011497. The reversal of 442431100011491 is 194110001134244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442431100011491 - 2⁶ = 442431100011427 is a prime.

It is not a weakly prime, because it can be changed into another prime (442431100011497) 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, 221215550005745 + 221215550005746.

It is an arithmetic number, because the mean of its divisors is an integer number (221215550005746).

Almost surely, 2^{442431100011491} is an apocalyptic number.

442431100011491 is a deficient number, since it is larger than the sum of its proper divisors (1).

442431100011491 is an equidigital number, since it uses as much as digits as its factorization.

442431100011491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 442431100011491 in words is "four hundred forty-two trillion, four hundred thirty-one billion, one hundred million, eleven thousand, four hundred ninety-one".