8673849349 has 4 divisors (see below), whose sum is σ = 9462381120. Its totient is φ = 7885317580.

The previous prime is 8673849343. The next prime is 8673849407. The reversal of 8673849349 is 9439483768.

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 8673849349 - 2⁹ = 8673848837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8673849343) 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, 394265869 + ... + 394265890.

It is an arithmetic number, because the mean of its divisors is an integer number (2365595280).

Almost surely, 2^8673849349 is an apocalyptic number.

It is an amenable number.

8673849349 is a deficient number, since it is larger than the sum of its proper divisors (788531771).

8673849349 is a wasteful number, since it uses less digits than its factorization.

8673849349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788531770.

The product of its digits is 31352832, while the sum is 61.

The square root of 8673849349 is about 93133.5028279298. The cubic root of 8673849349 is about 2054.6473465772.

The spelling of 8673849349 in words is "eight billion, six hundred seventy-three million, eight hundred forty-nine thousand, three hundred forty-nine".