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8440483939 is a prime number
BaseRepresentation
bin1111101110001011…
…11001000001100011
3210210020021000021021
413313011321001203
5114241230441224
63513312510311
7416106633616
oct76705710143
923706230237
108440483939
113641484568
12177684b397
13a4688a5c4
145a0daa17d
153460091e4
hex1f7179063

8440483939 has 2 divisors, whose sum is σ = 8440483940. Its totient is φ = 8440483938.

The previous prime is 8440483937. The next prime is 8440483967. The reversal of 8440483939 is 9393840448.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8440483939 - 21 = 8440483937 is a prime.

Together with 8440483937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8440483937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220241969 + 4220241970.

It is an arithmetic number, because the mean of its divisors is an integer number (4220241970).

Almost surely, 28440483939 is an apocalyptic number.

8440483939 is a deficient number, since it is larger than the sum of its proper divisors (1).

8440483939 is an equidigital number, since it uses as much as digits as its factorization.

8440483939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The square root of 8440483939 is about 91872.1064251822. The cubic root of 8440483939 is about 2036.0531739856.

The spelling of 8440483939 in words is "eight billion, four hundred forty million, four hundred eighty-three thousand, nine hundred thirty-nine".