8690322149 has 4 divisors (see below), whose sum is σ = 8989988460. Its totient is φ = 8390655840.

The previous prime is 8690322133. The next prime is 8690322169. The reversal of 8690322149 is 9412230968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2406589249 + 6283732900 = 49057^2 + 79270^2 .

It is not a de Polignac number, because 8690322149 - 2⁴ = 8690322133 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 (8690322169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149833112 + ... + 149833169.

It is an arithmetic number, because the mean of its divisors is an integer number (2247497115).

Almost surely, 2^8690322149 is an apocalyptic number.

It is an amenable number.

8690322149 is a deficient number, since it is larger than the sum of its proper divisors (299666311).

8690322149 is a wasteful number, since it uses less digits than its factorization.

8690322149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299666310.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 8690322149 is about 93221.8973685904. The cubic root of 8690322149 is about 2055.9472074244.

The spelling of 8690322149 in words is "eight billion, six hundred ninety million, three hundred twenty-two thousand, one hundred forty-nine".