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39429385883 is a prime number
BaseRepresentation
bin100100101110001011…
…001010111010011011
310202202220100100002022
4210232023022322123
51121222410322013
630040312325055
72564045151536
oct445613127233
9122686310068
1039429385883
11157a3951228
1277849a378b
133944aa5284
141ca08b3a1d
15105b871008
hex92e2cae9b

39429385883 has 2 divisors, whose sum is σ = 39429385884. Its totient is φ = 39429385882.

The previous prime is 39429385847. The next prime is 39429385939. The reversal of 39429385883 is 38858392493.

It is a weak prime.

It is an emirp because it is prime and its reverse (38858392493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39429385883 - 212 = 39429381787 is a prime.

It is a super-2 number, since 2×394293858832 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39429385843) 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, 19714692941 + 19714692942.

It is an arithmetic number, because the mean of its divisors is an integer number (19714692942).

Almost surely, 239429385883 is an apocalyptic number.

39429385883 is a deficient number, since it is larger than the sum of its proper divisors (1).

39429385883 is an equidigital number, since it uses as much as digits as its factorization.

39429385883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44789760, while the sum is 62.

The spelling of 39429385883 in words is "thirty-nine billion, four hundred twenty-nine million, three hundred eighty-five thousand, eight hundred eighty-three".