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10001010989 is a prime number
BaseRepresentation
bin10010101000001101…
…10101000100101101
3221210222122222221102
421110012311010231
5130440224322424
64332220212445
7502556122304
oct112406650455
927728588842
1010001010989
114272345642
121b3139a125
13c34c826a8
146ac34743b
153d800c7ae
hex2541b512d

10001010989 has 2 divisors, whose sum is σ = 10001010990. Its totient is φ = 10001010988.

The previous prime is 10001010979. The next prime is 10001010997. The reversal of 10001010989 is 98901010001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9268875625 + 732135364 = 96275^2 + 27058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10001010989 is a prime.

It is a Sophie Germain prime.

10001010989 is a modest number, since divided by 10989 gives 10001 as remainder.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001010919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000505494 + 5000505495.

It is an arithmetic number, because the mean of its divisors is an integer number (5000505495).

Almost surely, 210001010989 is an apocalyptic number.

It is an amenable number.

10001010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001010989 is an equidigital number, since it uses as much as digits as its factorization.

10001010989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 10001010989 in words is "ten billion, one million, ten thousand, nine hundred eighty-nine".