6988489542 has 32 divisors (see below), whose sum is σ = 16065496800. Its totient is φ = 2249168544.

The previous prime is 6988489507. The next prime is 6988489553. The reversal of 6988489542 is 2459848896.

6988489542 is a `hidden beast` number, since 6 + 9 + 8 + 8 + 4 + 89 + 542 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6988489542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229753 + ... + 2232884.

It is an arithmetic number, because the mean of its divisors is an integer number (502046775).

Almost surely, 2^6988489542 is an apocalyptic number.

6988489542 is an abundant number, since it is smaller than the sum of its proper divisors (9077007258).

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

6988489542 is a wasteful number, since it uses less digits than its factorization.

6988489542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462677 (or 4462671 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The square root of 6988489542 is about 83597.1862086279. The cubic root of 6988489542 is about 1911.8820973483.

The spelling of 6988489542 in words is "six billion, nine hundred eighty-eight million, four hundred eighty-nine thousand, five hundred forty-two".