8428149149 has 8 divisors (see below), whose sum is σ = 9942885888. Its totient is φ = 6991091280.

The previous prime is 8428149137. The next prime is 8428149161. The reversal of 8428149149 is 9419418248.

It is an interprime number because it is at equal distance from previous prime (8428149137) and next prime (8428149161).

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-8428149149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8428149097 and 8428149106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8428149949) 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, 19419482 + ... + 19419915.

It is an arithmetic number, because the mean of its divisors is an integer number (1242860736).

Almost surely, 2^8428149149 is an apocalyptic number.

It is an amenable number.

8428149149 is a deficient number, since it is larger than the sum of its proper divisors (1514736739).

8428149149 is a wasteful number, since it uses less digits than its factorization.

8428149149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38839435.

The product of its digits is 663552, while the sum is 50.

The square root of 8428149149 is about 91804.9516583937. The cubic root of 8428149149 is about 2035.0608717934.

The spelling of 8428149149 in words is "eight billion, four hundred twenty-eight million, one hundred forty-nine thousand, one hundred forty-nine".