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999975089 is a prime number
BaseRepresentation
bin111011100110100…
…110100010110001
32120200121222221102
4323212212202301
54021443200324
6243120534145
733531435161
oct7346464261
92520558842
10999975089
114735070a3
1223aa81355
1312c22ba49
1496b425a1
155cbc8dae
hex3b9a68b1

999975089 has 2 divisors, whose sum is σ = 999975090. Its totient is φ = 999975088.

The previous prime is 999975077. The next prime is 999975101. The reversal of 999975089 is 980579999.

It is a balanced prime because it is at equal distance from previous prime (999975077) and next prime (999975101).

It can be written as a sum of positive squares in only one way, i.e., 740765089 + 259210000 = 27217^2 + 16100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-999975089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (999975059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499987544 + 499987545.

It is an arithmetic number, because the mean of its divisors is an integer number (499987545).

Almost surely, 2999975089 is an apocalyptic number.

It is an amenable number.

999975089 is a deficient number, since it is larger than the sum of its proper divisors (1).

999975089 is an equidigital number, since it uses as much as digits as its factorization.

999975089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16533720, while the sum is 65.

The square root of 999975089 is about 31622.3827217368. The cubic root of 999975089 is about 999.9916962644.

The spelling of 999975089 in words is "nine hundred ninety-nine million, nine hundred seventy-five thousand, eighty-nine".