8451073361 has 2 divisors, whose sum is σ = 8451073362. Its totient is φ = 8451073360.

The previous prime is 8451073331. The next prime is 8451073369. The reversal of 8451073361 is 1633701548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7002509761 + 1448563600 = 83681^2 + 38060^2 .

It is a cyclic number.

It is not a de Polignac number, because 8451073361 - 2⁶ = 8451073297 is a prime.

It is not a weakly prime, because it can be changed into another prime (8451073369) 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, 4225536680 + 4225536681.

It is an arithmetic number, because the mean of its divisors is an integer number (4225536681).

Almost surely, 2^8451073361 is an apocalyptic number.

It is an amenable number.

8451073361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8451073361 is an equidigital number, since it uses as much as digits as its factorization.

8451073361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 8451073361 is about 91929.7196830274. The cubic root of 8451073361 is about 2036.9042948480.

The spelling of 8451073361 in words is "eight billion, four hundred fifty-one million, seventy-three thousand, three hundred sixty-one".