8106392639 has 2 divisors, whose sum is σ = 8106392640. Its totient is φ = 8106392638.

The previous prime is 8106392629. The next prime is 8106392669. The reversal of 8106392639 is 9362936018.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8106392639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8106392593 and 8106392602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8106392629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4053196319 + 4053196320.

It is an arithmetic number, because the mean of its divisors is an integer number (4053196320).

Almost surely, 2^8106392639 is an apocalyptic number.

8106392639 is a deficient number, since it is larger than the sum of its proper divisors (1).

8106392639 is an equidigital number, since it uses as much as digits as its factorization.

8106392639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 8106392639 is about 90035.5076567018. The cubic root of 8106392639 is about 2008.8270376389.

The spelling of 8106392639 in words is "eight billion, one hundred six million, three hundred ninety-two thousand, six hundred thirty-nine".