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8404404011 is a prime number
BaseRepresentation
bin1111101001111000…
…10000011100101011
3210200201100221220122
413310330100130223
5114203011412021
63505543313455
7415161153413
oct76474203453
923621327818
108404404011
113623081143
12176674b88b
13a3c267133
1459a297643
15342c7dbab
hex1f4f1072b

8404404011 has 2 divisors, whose sum is σ = 8404404012. Its totient is φ = 8404404010.

The previous prime is 8404403993. The next prime is 8404404023. The reversal of 8404404011 is 1104044048.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8404404011 - 214 = 8404387627 is a prime.

It is a super-2 number, since 2×84044040112 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8404434011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4202202005 + 4202202006.

It is an arithmetic number, because the mean of its divisors is an integer number (4202202006).

Almost surely, 28404404011 is an apocalyptic number.

8404404011 is a deficient number, since it is larger than the sum of its proper divisors (1).

8404404011 is an equidigital number, since it uses as much as digits as its factorization.

8404404011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 8404404011 is about 91675.5366005566. The cubic root of 8404404011 is about 2033.1479071764.

Adding to 8404404011 its reverse (1104044048), we get a palindrome (9508448059).

The spelling of 8404404011 in words is "eight billion, four hundred four million, four hundred four thousand, eleven".