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4287937669 is a prime number
BaseRepresentation
bin1111111110010100…
…1011110010000101
3102001211111210200021
43333211023302011
532240203001134
61545253215141
7211154604001
oct37745136205
912054453607
104287937669
11190047a044
129b80314b1
13534488032
142c96a7701
151a16a00b4
hexff94bc85

4287937669 has 2 divisors, whose sum is σ = 4287937670. Its totient is φ = 4287937668.

The previous prime is 4287937649. The next prime is 4287937673. The reversal of 4287937669 is 9667397824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4126520644 + 161417025 = 64238^2 + 12705^2 .

It is a cyclic number.

It is not a de Polignac number, because 4287937669 - 25 = 4287937637 is a prime.

It is a super-3 number, since 3×42879376693 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4287937649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2143968834 + 2143968835.

It is an arithmetic number, because the mean of its divisors is an integer number (2143968835).

Almost surely, 24287937669 is an apocalyptic number.

It is an amenable number.

4287937669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4287937669 is an equidigital number, since it uses as much as digits as its factorization.

4287937669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 61.

The square root of 4287937669 is about 65482.3462392728. The cubic root of 4287937669 is about 1624.6113682386.

The spelling of 4287937669 in words is "four billion, two hundred eighty-seven million, nine hundred thirty-seven thousand, six hundred sixty-nine".