6998536548 has 18 divisors (see below), whose sum is σ = 17690745254. Its totient is φ = 2332845504.

The previous prime is 6998536483. The next prime is 6998536561. The reversal of 6998536548 is 8456358996.

6998536548 is a `hidden beast` number, since 6 + 9 + 9 + 85 + 3 + 6 + 548 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4594399524 + 2404137024 = 67782^2 + 49032^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97201861 + ... + 97201932.

Almost surely, 2^6998536548 is an apocalyptic number.

It is an amenable number.

6998536548 is an abundant number, since it is smaller than the sum of its proper divisors (10692208706).

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

6998536548 is a wasteful number, since it uses less digits than its factorization.

6998536548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194403803 (or 194403798 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The square root of 6998536548 is about 83657.2563977567. The cubic root of 6998536548 is about 1912.7978647686.

The spelling of 6998536548 in words is "six billion, nine hundred ninety-eight million, five hundred thirty-six thousand, five hundred forty-eight".