8439076649 has 8 divisors (see below), whose sum is σ = 8795884032. Its totient is φ = 8087555520.

The previous prime is 8439076637. The next prime is 8439076687. The reversal of 8439076649 is 9466709348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8439076649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8439076594 and 8439076603.

It is not an unprimeable number, because it can be changed into a prime (8439076619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318304 + ... + 1324689.

It is an arithmetic number, because the mean of its divisors is an integer number (1099485504).

Almost surely, 2^8439076649 is an apocalyptic number.

It is an amenable number.

8439076649 is a deficient number, since it is larger than the sum of its proper divisors (356807383).

8439076649 is a wasteful number, since it uses less digits than its factorization.

8439076649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643127.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 8439076649 is about 91864.4471436039. The cubic root of 8439076649 is about 2035.9400099952.

The spelling of 8439076649 in words is "eight billion, four hundred thirty-nine million, seventy-six thousand, six hundred forty-nine".