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42226263449 is a prime number
BaseRepresentation
bin100111010100111000…
…011010010110011001
311000222211011102211022
4213110320122112121
51142434410412244
631222023212225
73023256213536
oct472470322631
9130884142738
1042226263449
11169a9696797
1282255a7075
133c9c37b206
142088123d8d
1511721906ee
hex9d4e1a599

42226263449 has 2 divisors, whose sum is σ = 42226263450. Its totient is φ = 42226263448.

The previous prime is 42226263389. The next prime is 42226263493. The reversal of 42226263449 is 94436262224.

It is a happy number.

42226263449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42226263493) can be obtained adding 42226263449 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41888990224 + 337273225 = 204668^2 + 18365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42226263449 is a prime.

It is not a weakly prime, because it can be changed into another prime (42226263749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21113131724 + 21113131725.

It is an arithmetic number, because the mean of its divisors is an integer number (21113131725).

Almost surely, 242226263449 is an apocalyptic number.

It is an amenable number.

42226263449 is a deficient number, since it is larger than the sum of its proper divisors (1).

42226263449 is an equidigital number, since it uses as much as digits as its factorization.

42226263449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 44.

The spelling of 42226263449 in words is "forty-two billion, two hundred twenty-six million, two hundred sixty-three thousand, four hundred forty-nine".