89563841842 has 4 divisors (see below), whose sum is σ = 134345762766. Its totient is φ = 44781920920.

The previous prime is 89563841837. The next prime is 89563841869. The reversal of 89563841842 is 24814836598.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85333510161 + 4230331681 = 292119^2 + 65041^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22390960459 + ... + 22390960462.

Almost surely, 2^89563841842 is an apocalyptic number.

89563841842 is a deficient number, since it is larger than the sum of its proper divisors (44781920924).

89563841842 is a wasteful number, since it uses less digits than its factorization.

89563841842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44781920923.

The product of its digits is 13271040, while the sum is 58.

The spelling of 89563841842 in words is "eighty-nine billion, five hundred sixty-three million, eight hundred forty-one thousand, eight hundred forty-two".