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4279901669 is a prime number
BaseRepresentation
bin1111111100011010…
…0001110111100101
3102001021101112100122
43333012201313211
532231123323134
61544405051325
7211026364301
oct37706416745
912037345318
104279901669
1118a699051a
129b53b6b45
135329033c4
142c85b4d01
151a0b1402e
hexff1a1de5

4279901669 has 2 divisors, whose sum is σ = 4279901670. Its totient is φ = 4279901668.

The previous prime is 4279901653. The next prime is 4279901711. The reversal of 4279901669 is 9661099724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2944364644 + 1335537025 = 54262^2 + 36545^2 .

It is a cyclic number.

It is not a de Polignac number, because 4279901669 - 24 = 4279901653 is a prime.

It is a super-2 number, since 2×42799016692 = 36635116592617971122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4279901669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4279901369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139950834 + 2139950835.

It is an arithmetic number, because the mean of its divisors is an integer number (2139950835).

Almost surely, 24279901669 is an apocalyptic number.

It is an amenable number.

4279901669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4279901669 is an equidigital number, since it uses as much as digits as its factorization.

4279901669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 4279901669 is about 65420.9574142721. The cubic root of 4279901669 is about 1623.5958418841.

The spelling of 4279901669 in words is "four billion, two hundred seventy-nine million, nine hundred one thousand, six hundred sixty-nine".