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4256996543 is a prime number
BaseRepresentation
bin1111110110111100…
…1001110010111111
3101222200021211102122
43331233021302333
532204242342133
61542230113155
7210330605432
oct37557116277
911880254378
104256996543
111894a66568
129a97ab7bb
1352ac43887
142c5531819
1519dadc498
hexfdbc9cbf

4256996543 has 2 divisors, whose sum is σ = 4256996544. Its totient is φ = 4256996542.

The previous prime is 4256996519. The next prime is 4256996563. The reversal of 4256996543 is 3456996524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4256996543 is a prime.

It is a super-2 number, since 2×42569965432 = 36244039134227901698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4256996563) 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, 2128498271 + 2128498272.

It is an arithmetic number, because the mean of its divisors is an integer number (2128498272).

Almost surely, 24256996543 is an apocalyptic number.

4256996543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256996543 is an equidigital number, since it uses as much as digits as its factorization.

4256996543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 53.

The square root of 4256996543 is about 65245.6630206177. The cubic root of 4256996543 is about 1620.6942793311.

The spelling of 4256996543 in words is "four billion, two hundred fifty-six million, nine hundred ninety-six thousand, five hundred forty-three".