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4108989109 is a prime number
BaseRepresentation
bin1111010011101010…
…0011001010110101
3101121100210021101211
43310322203022311
531403400122414
61515421521421
7203552555041
oct36472431265
911540707354
104108989109
111819465375
12968113271
13506391904
142ada05021
15190b033c4
hexf4ea32b5

4108989109 has 2 divisors, whose sum is σ = 4108989110. Its totient is φ = 4108989108.

The previous prime is 4108989103. The next prime is 4108989121. The reversal of 4108989109 is 9019898014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2352541009 + 1756448100 = 48503^2 + 41910^2 .

It is a cyclic number.

It is not a de Polignac number, because 4108989109 - 27 = 4108988981 is a prime.

It is a super-2 number, since 2×41089891092 = 33767582995761227762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4108989103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054494554 + 2054494555.

It is an arithmetic number, because the mean of its divisors is an integer number (2054494555).

Almost surely, 24108989109 is an apocalyptic number.

It is an amenable number.

4108989109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4108989109 is an equidigital number, since it uses as much as digits as its factorization.

4108989109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 4108989109 is about 64101.3970908591. The cubic root of 4108989109 is about 1601.6895055882.

The spelling of 4108989109 in words is "four billion, one hundred eight million, nine hundred eighty-nine thousand, one hundred nine".