8974612081 has 2 divisors, whose sum is σ = 8974612082. Its totient is φ = 8974612080.

The previous prime is 8974612033. The next prime is 8974612091. The reversal of 8974612081 is 1802164798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5515290225 + 3459321856 = 74265^2 + 58816^2 .

It is a cyclic number.

It is not a de Polignac number, because 8974612081 - 2¹¹ = 8974610033 is a prime.

It is a super-2 number, since 2×8974612081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8974612091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4487306040 + 4487306041.

It is an arithmetic number, because the mean of its divisors is an integer number (4487306041).

Almost surely, 2^8974612081 is an apocalyptic number.

It is an amenable number.

8974612081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8974612081 is an equidigital number, since it uses as much as digits as its factorization.

8974612081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 8974612081 is about 94734.4292271822. The cubic root of 8974612081 is about 2078.1260921806.

It can be divided in two parts, 8974 and 612081, that added together give a triangular number (621055 = T₁₁₁₄).

The spelling of 8974612081 in words is "eight billion, nine hundred seventy-four million, six hundred twelve thousand, eighty-one".