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2386634993 is a prime number
BaseRepresentation
bin1000111001000001…
…0010100011110001
320011022212121201122
42032100102203301
514341434304433
61032453512025
7113100030341
oct21620224361
96138777648
102386634993
111015214216
12567342615
132c05b9572
14188d80d21
15de7d6198
hex8e4128f1

2386634993 has 2 divisors, whose sum is σ = 2386634994. Its totient is φ = 2386634992.

The previous prime is 2386634963. The next prime is 2386635071. The reversal of 2386634993 is 3994366832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2293164769 + 93470224 = 47887^2 + 9668^2 .

It is a cyclic number.

It is not a de Polignac number, because 2386634993 - 28 = 2386634737 is a prime.

It is a super-2 number, since 2×23866349932 = 11392053179624220098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2386634963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193317496 + 1193317497.

It is an arithmetic number, because the mean of its divisors is an integer number (1193317497).

Almost surely, 22386634993 is an apocalyptic number.

It is an amenable number.

2386634993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2386634993 is an equidigital number, since it uses as much as digits as its factorization.

2386634993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 53.

The square root of 2386634993 is about 48853.1983906888. The cubic root of 2386634993 is about 1336.3760014230.

The spelling of 2386634993 in words is "two billion, three hundred eighty-six million, six hundred thirty-four thousand, nine hundred ninety-three".