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42041464349 is a prime number
BaseRepresentation
bin100111001001110111…
…011101011000011101
311000111221102200010012
4213021313131120131
51142100103324344
631151422253005
73015553356623
oct471167353035
9130457380105
1042041464349
1116914346465
128193727165
133c6ccb6b31
14206b77b513
151160d3a29e
hex9c9ddd61d

42041464349 has 2 divisors, whose sum is σ = 42041464350. Its totient is φ = 42041464348.

The previous prime is 42041464279. The next prime is 42041464351. The reversal of 42041464349 is 94346414024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39374464900 + 2666999449 = 198430^2 + 51643^2 .

It is a cyclic number.

It is not a de Polignac number, because 42041464349 - 220 = 42040415773 is a prime.

Together with 42041464351, 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 (42041464249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020732174 + 21020732175.

It is an arithmetic number, because the mean of its divisors is an integer number (21020732175).

Almost surely, 242041464349 is an apocalyptic number.

It is an amenable number.

42041464349 is a deficient number, since it is larger than the sum of its proper divisors (1).

42041464349 is an equidigital number, since it uses as much as digits as its factorization.

42041464349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 42041464349 in words is "forty-two billion, forty-one million, four hundred sixty-four thousand, three hundred forty-nine".