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38234594809 is a prime number
BaseRepresentation
bin100011100110111101…
…011001110111111001
310122200122010122212001
4203212331121313321
51111301024013214
625321552021001
72522326456615
oct434675316771
9118618118761
1038234594809
1115240482a94
1274b0831761
1337b43b59c8
141bc9d3c345
15edba13c74
hex8e6f59df9

38234594809 has 2 divisors, whose sum is σ = 38234594810. Its totient is φ = 38234594808.

The previous prime is 38234594803. The next prime is 38234594819. The reversal of 38234594809 is 90849543283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19313216784 + 18921378025 = 138972^2 + 137555^2 .

It is a cyclic number.

It is not a de Polignac number, because 38234594809 - 221 = 38232497657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38234594809.

It is not a weakly prime, because it can be changed into another prime (38234594803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19117297404 + 19117297405.

It is an arithmetic number, because the mean of its divisors is an integer number (19117297405).

Almost surely, 238234594809 is an apocalyptic number.

It is an amenable number.

38234594809 is a deficient number, since it is larger than the sum of its proper divisors (1).

38234594809 is an equidigital number, since it uses as much as digits as its factorization.

38234594809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 38234594809 in words is "thirty-eight billion, two hundred thirty-four million, five hundred ninety-four thousand, eight hundred nine".