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5438127899 is a prime number
BaseRepresentation
bin1010001000010001…
…10011111100011011
3112000222210112001102
411010020303330123
542114130043044
62255341542015
7251522216201
oct50410637433
915028715042
105438127899
112340754a86
12107927490b
1368885c879
1439834d071
1521c64c24e
hex144233f1b

5438127899 has 2 divisors, whose sum is σ = 5438127900. Its totient is φ = 5438127898.

The previous prime is 5438127887. The next prime is 5438127901. The reversal of 5438127899 is 9987218345.

5438127899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5438127899 - 228 = 5169692443 is a prime.

It is a Sophie Germain prime.

Together with 5438127901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5438127839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719063949 + 2719063950.

It is an arithmetic number, because the mean of its divisors is an integer number (2719063950).

Almost surely, 25438127899 is an apocalyptic number.

5438127899 is a deficient number, since it is larger than the sum of its proper divisors (1).

5438127899 is an equidigital number, since it uses as much as digits as its factorization.

5438127899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The square root of 5438127899 is about 73743.6634498178. The cubic root of 5438127899 is about 1758.5300979408.

The spelling of 5438127899 in words is "five billion, four hundred thirty-eight million, one hundred twenty-seven thousand, eight hundred ninety-nine".