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43842460757 is a prime number
BaseRepresentation
bin101000110101001101…
…101101110001010101
311012011110022202201212
4220311031231301111
51204242132221012
632050240031205
73111312524204
oct506515556125
9135143282655
1043842460757
1117658a20747
1285b6902505
134199165594
14219ca3323b
151218eddb22
hexa3536dc55

43842460757 has 2 divisors, whose sum is σ = 43842460758. Its totient is φ = 43842460756.

The previous prime is 43842460729. The next prime is 43842460759. The reversal of 43842460757 is 75706424834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22737925681 + 21104535076 = 150791^2 + 145274^2 .

It is a cyclic number.

It is not a de Polignac number, because 43842460757 - 224 = 43825683541 is a prime.

It is a super-2 number, since 2×438424607572 (a number of 22 digits) contains 22 as substring.

Together with 43842460759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43842460759) 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, 21921230378 + 21921230379.

It is an arithmetic number, because the mean of its divisors is an integer number (21921230379).

Almost surely, 243842460757 is an apocalyptic number.

It is an amenable number.

43842460757 is a deficient number, since it is larger than the sum of its proper divisors (1).

43842460757 is an equidigital number, since it uses as much as digits as its factorization.

43842460757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 43842460757 in words is "forty-three billion, eight hundred forty-two million, four hundred sixty thousand, seven hundred fifty-seven".