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4291409149 is a prime number
BaseRepresentation
bin1111111111001001…
…1011010011111101
3102002002001011122121
43333302123103331
532242100043044
61545455442541
7211226242636
oct37762332375
912062034577
104291409149
111902430235
129b9226451
13535102171
142c9d2c88d
151a1b38984
hexffc9b4fd

4291409149 has 2 divisors, whose sum is σ = 4291409150. Its totient is φ = 4291409148.

The previous prime is 4291409123. The next prime is 4291409153. The reversal of 4291409149 is 9419041924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3238406649 + 1053002500 = 56907^2 + 32450^2 .

It is a cyclic number.

It is not a de Polignac number, because 4291409149 - 27 = 4291409021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4291409189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145704574 + 2145704575.

It is an arithmetic number, because the mean of its divisors is an integer number (2145704575).

Almost surely, 24291409149 is an apocalyptic number.

It is an amenable number.

4291409149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4291409149 is an equidigital number, since it uses as much as digits as its factorization.

4291409149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 4291409149 is about 65508.8478680552. The cubic root of 4291409149 is about 1625.0496740949.

The spelling of 4291409149 in words is "four billion, two hundred ninety-one million, four hundred nine thousand, one hundred forty-nine".