949368881 has 2 divisors, whose sum is σ = 949368882. Its totient is φ = 949368880.

The previous prime is 949368841. The next prime is 949368947. The reversal of 949368881 is 188863949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 746163856 + 203205025 = 27316^2 + 14255^2 .

It is an emirp because it is prime and its reverse (188863949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 949368881 - 2¹⁰ = 949367857 is a prime.

It is a super-2 number, since 2×949368881² = 1802602544422384322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (949368811) 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, 474684440 + 474684441.

It is an arithmetic number, because the mean of its divisors is an integer number (474684441).

Almost surely, 2^949368881 is an apocalyptic number.

It is an amenable number.

949368881 is a deficient number, since it is larger than the sum of its proper divisors (1).

949368881 is an equidigital number, since it uses as much as digits as its factorization.

949368881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 56.

The square root of 949368881 is about 30811.8302117872. The cubic root of 949368881 is about 982.8298330387.

The spelling of 949368881 in words is "nine hundred forty-nine million, three hundred sixty-eight thousand, eight hundred eighty-one".