7149163284 has 18 divisors (see below), whose sum is σ = 18071496170. Its totient is φ = 2383054416.

The previous prime is 7149163283. The next prime is 7149163291. The reversal of 7149163284 is 4823619417.

7149163284 is a `hidden beast` number, since 7 + 1 + 4 + 9 + 1 + 632 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4736192400 + 2412970884 = 68820^2 + 49122^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7149163284² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149163283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99293899 + ... + 99293970.

Almost surely, 2^7149163284 is an apocalyptic number.

It is an amenable number.

7149163284 is an abundant number, since it is smaller than the sum of its proper divisors (10922332886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7149163284 is a wasteful number, since it uses less digits than its factorization.

7149163284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198587879 (or 198587874 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 7149163284 is about 84552.7248762569. The cubic root of 7149163284 is about 1926.4233726677.

The spelling of 7149163284 in words is "seven billion, one hundred forty-nine million, one hundred sixty-three thousand, two hundred eighty-four".