8684249145 has 96 divisors (see below), whose sum is σ = 17341914240. Its totient is φ = 3657768960.

The previous prime is 8684249129. The next prime is 8684249159. The reversal of 8684249145 is 5419424868.

It is not a de Polignac number, because 8684249145 - 2⁴ = 8684249129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 612901 + ... + 626909.

It is an arithmetic number, because the mean of its divisors is an integer number (180644940).

Almost surely, 2^8684249145 is an apocalyptic number.

8684249145 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8684249145 is a deficient number, since it is larger than the sum of its proper divisors (8657665095).

8684249145 is a wasteful number, since it uses less digits than its factorization.

8684249145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075 (or 14058 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 8684249145 is about 93189.3188353687. The cubic root of 8684249145 is about 2055.4681808712.

The spelling of 8684249145 in words is "eight billion, six hundred eighty-four million, two hundred forty-nine thousand, one hundred forty-five".