8839242961 has 2 divisors, whose sum is σ = 8839242962. Its totient is φ = 8839242960.

The previous prime is 8839242941. The next prime is 8839243069. The reversal of 8839242961 is 1692429388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4747210000 + 4092032961 = 68900^2 + 63969^2 .

It is a cyclic number.

It is not a de Polignac number, because 8839242961 - 2¹⁷ = 8839111889 is a prime.

It is a super-2 number, since 2×8839242961² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8839242899 and 8839242908.

It is not a weakly prime, because it can be changed into another prime (8839242901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4419621480 + 4419621481.

It is an arithmetic number, because the mean of its divisors is an integer number (4419621481).

Almost surely, 2^8839242961 is an apocalyptic number.

It is an amenable number.

8839242961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8839242961 is an equidigital number, since it uses as much as digits as its factorization.

8839242961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 52.

The square root of 8839242961 is about 94017.2482101024. The cubic root of 8839242961 is about 2067.6245991191.

The spelling of 8839242961 in words is "eight billion, eight hundred thirty-nine million, two hundred forty-two thousand, nine hundred sixty-one".