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19270669829 is a prime number
BaseRepresentation
bin10001111100100111…
…110001011000000101
31211202000011110100012
4101330213301120011
5303431242413304
612504113200005
71251354663605
oct217447613005
954660143305
1019270669829
118199877514
123899860005
131a81569418
14d0b4b4c05
1577bc0316e
hex47c9f1605

19270669829 has 2 divisors, whose sum is σ = 19270669830. Its totient is φ = 19270669828.

The previous prime is 19270669819. The next prime is 19270669843. The reversal of 19270669829 is 92896607291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16750830625 + 2519839204 = 129425^2 + 50198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19270669829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19270669819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9635334914 + 9635334915.

It is an arithmetic number, because the mean of its divisors is an integer number (9635334915).

Almost surely, 219270669829 is an apocalyptic number.

It is an amenable number.

19270669829 is a deficient number, since it is larger than the sum of its proper divisors (1).

19270669829 is an equidigital number, since it uses as much as digits as its factorization.

19270669829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 19270669829 in words is "nineteen billion, two hundred seventy million, six hundred sixty-nine thousand, eight hundred twenty-nine".