442451140847 has 2 divisors, whose sum is σ = 442451140848. Its totient is φ = 442451140846.

The previous prime is 442451140841. The next prime is 442451140853. The reversal of 442451140847 is 748041154244.

It is a balanced prime because it is at equal distance from previous prime (442451140841) and next prime (442451140853).

It is a cyclic number.

It is not a de Polignac number, because 442451140847 - 2²⁶ = 442384031983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442451140798 and 442451140807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442451140841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221225570423 + 221225570424.

It is an arithmetic number, because the mean of its divisors is an integer number (221225570424).

Almost surely, 2^442451140847 is an apocalyptic number.

442451140847 is a deficient number, since it is larger than the sum of its proper divisors (1).

442451140847 is an equidigital number, since it uses as much as digits as its factorization.

442451140847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 573440, while the sum is 44.

The spelling of 442451140847 in words is "four hundred forty-two billion, four hundred fifty-one million, one hundred forty thousand, eight hundred forty-seven".