8889049801 has 2 divisors, whose sum is σ = 8889049802. Its totient is φ = 8889049800.

The previous prime is 8889049789. The next prime is 8889049837. The reversal of 8889049801 is 1089409888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6570723600 + 2318326201 = 81060^2 + 48149^2 .

It is a cyclic number.

It is not a de Polignac number, because 8889049801 - 2³³ = 299115209 is a prime.

It is not a weakly prime, because it can be changed into another prime (8889049891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444524900 + 4444524901.

It is an arithmetic number, because the mean of its divisors is an integer number (4444524901).

Almost surely, 2^8889049801 is an apocalyptic number.

It is an amenable number.

8889049801 is a deficient number, since it is larger than the sum of its proper divisors (1).

8889049801 is an equidigital number, since it uses as much as digits as its factorization.

8889049801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 55.

The square root of 8889049801 is about 94281.7575196814. The cubic root of 8889049801 is about 2071.5008370107.

The spelling of 8889049801 in words is "eight billion, eight hundred eighty-nine million, forty-nine thousand, eight hundred one".