884842620491 has 2 divisors, whose sum is σ = 884842620492. Its totient is φ = 884842620490.

The previous prime is 884842620481. The next prime is 884842620533. The reversal of 884842620491 is 194026248488.

884842620491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 884842620491 - 2²² = 884838426187 is a prime.

It is not a weakly prime, because it can be changed into another prime (884842620481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442421310245 + 442421310246.

It is an arithmetic number, because the mean of its divisors is an integer number (442421310246).

Almost surely, 2^884842620491 is an apocalyptic number.

884842620491 is a deficient number, since it is larger than the sum of its proper divisors (1).

884842620491 is an equidigital number, since it uses as much as digits as its factorization.

884842620491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7077888, while the sum is 56.

The spelling of 884842620491 in words is "eight hundred eighty-four billion, eight hundred forty-two million, six hundred twenty thousand, four hundred ninety-one".