8861233949 has 2 divisors, whose sum is σ = 8861233950. Its totient is φ = 8861233948.

The previous prime is 8861233921. The next prime is 8861233957. The reversal of 8861233949 is 9493321688.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6026416900 + 2834817049 = 77630^2 + 53243^2 .

It is a cyclic number.

It is not a de Polignac number, because 8861233949 - 2¹⁶ = 8861168413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8861233949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8861233999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4430616974 + 4430616975.

It is an arithmetic number, because the mean of its divisors is an integer number (4430616975).

Almost surely, 2^8861233949 is an apocalyptic number.

It is an amenable number.

8861233949 is a deficient number, since it is larger than the sum of its proper divisors (1).

8861233949 is an equidigital number, since it uses as much as digits as its factorization.

8861233949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 53.

The square root of 8861233949 is about 94134.1274405834. The cubic root of 8861233949 is about 2069.3378473663.

The spelling of 8861233949 in words is "eight billion, eight hundred sixty-one million, two hundred thirty-three thousand, nine hundred forty-nine".