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8895252639649 is a prime number
BaseRepresentation
bin1000000101110001011001…
…0111111010111110100001
31011111101012110011120222111
42001130112113322332201
52131214434133432044
630530231143035321
71605442436620105
oct201342627727641
934441173146874
108895252639649
11291a501241a22
12bb7b6213bb41
134c6a849796ac
1422a765369905
151065bc7e1b34
hex817165fafa1

8895252639649 has 2 divisors, whose sum is σ = 8895252639650. Its totient is φ = 8895252639648.

The previous prime is 8895252639631. The next prime is 8895252639653. The reversal of 8895252639649 is 9469362525988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8838164139025 + 57088500624 = 2972905^2 + 238932^2 .

It is a cyclic number.

It is not a de Polignac number, because 8895252639649 - 27 = 8895252639521 is a prime.

It is not a weakly prime, because it can be changed into another prime (8895252669649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4447626319824 + 4447626319825.

It is an arithmetic number, because the mean of its divisors is an integer number (4447626319825).

Almost surely, 28895252639649 is an apocalyptic number.

It is an amenable number.

8895252639649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8895252639649 is an equidigital number, since it uses as much as digits as its factorization.

8895252639649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2015539200, while the sum is 76.

The spelling of 8895252639649 in words is "eight trillion, eight hundred ninety-five billion, two hundred fifty-two million, six hundred thirty-nine thousand, six hundred forty-nine".