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26382671639 is a prime number
BaseRepresentation
bin11000100100100001…
…111001111100010111
32112002122122120201122
4120210201321330113
5413012430443024
620041532114155
71622534003012
oct304441717427
975078576648
1026382671639
111020936a765
12514360595b
132645b2890c
1413c3c68379
15a46292d5e
hex624879f17

26382671639 has 2 divisors, whose sum is σ = 26382671640. Its totient is φ = 26382671638.

The previous prime is 26382671611. The next prime is 26382671641. The reversal of 26382671639 is 93617628362.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26382671639 - 28 = 26382671383 is a prime.

It is a super-2 number, since 2×263826716392 (a number of 22 digits) contains 22 as substring.

Together with 26382671641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26382671659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13191335819 + 13191335820.

It is an arithmetic number, because the mean of its divisors is an integer number (13191335820).

Almost surely, 226382671639 is an apocalyptic number.

26382671639 is a deficient number, since it is larger than the sum of its proper divisors (1).

26382671639 is an equidigital number, since it uses as much as digits as its factorization.

26382671639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 53.

The spelling of 26382671639 in words is "twenty-six billion, three hundred eighty-two million, six hundred seventy-one thousand, six hundred thirty-nine".