8138676497 has 4 divisors (see below), whose sum is σ = 9301344576. Its totient is φ = 6976008420.

The previous prime is 8138676437. The next prime is 8138676499. The reversal of 8138676497 is 7946768318.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8138676497 - 2⁸ = 8138676241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8138676499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581334029 + ... + 581334042.

It is an arithmetic number, because the mean of its divisors is an integer number (2325336144).

Almost surely, 2^8138676497 is an apocalyptic number.

It is an amenable number.

8138676497 is a deficient number, since it is larger than the sum of its proper divisors (1162668079).

8138676497 is a wasteful number, since it uses less digits than its factorization.

8138676497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162668078.

The product of its digits is 12192768, while the sum is 59.

The square root of 8138676497 is about 90214.6135445915. The cubic root of 8138676497 is about 2011.4902355762.

The spelling of 8138676497 in words is "eight billion, one hundred thirty-eight million, six hundred seventy-six thousand, four hundred ninety-seven".