10208381639 has 2 divisors, whose sum is σ = 10208381640. Its totient is φ = 10208381638.

The previous prime is 10208381621. The next prime is 10208381641. The reversal of 10208381639 is 93618380201.

10208381639 is digitally balanced in base 2, 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 10208381639 - 2¹⁶ = 10208316103 is a prime.

It is a super-2 number, since 2×10208381639² (a number of 21 digits) contains 22 as substring.

Together with 10208381641, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10208381596 and 10208381605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10208381699) 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, 5104190819 + 5104190820.

It is an arithmetic number, because the mean of its divisors is an integer number (5104190820).

Almost surely, 2^10208381639 is an apocalyptic number.

10208381639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10208381639 is an equidigital number, since it uses as much as digits as its factorization.

10208381639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 10208381639 in words is "ten billion, two hundred eight million, three hundred eighty-one thousand, six hundred thirty-nine".