8984331949 has 2 divisors, whose sum is σ = 8984331950. Its totient is φ = 8984331948.

The previous prime is 8984331947. The next prime is 8984332033. The reversal of 8984331949 is 9491334898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8387262724 + 597069225 = 91582^2 + 24435^2 .

It is a cyclic number.

It is not a de Polignac number, because 8984331949 - 2¹ = 8984331947 is a prime.

Together with 8984331947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 8984331893 and 8984331902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8984331943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492165974 + 4492165975.

It is an arithmetic number, because the mean of its divisors is an integer number (4492165975).

Almost surely, 2^8984331949 is an apocalyptic number.

It is an amenable number.

8984331949 is a deficient number, since it is larger than the sum of its proper divisors (1).

8984331949 is an equidigital number, since it uses as much as digits as its factorization.

8984331949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 58.

The square root of 8984331949 is about 94785.7159544623. The cubic root of 8984331949 is about 2078.8760530462.

The spelling of 8984331949 in words is "eight billion, nine hundred eighty-four million, three hundred thirty-one thousand, nine hundred forty-nine".