6708489984 has 360 divisors, whose sum is σ = 23119847520. Its totient is φ = 1895104512.

The previous prime is 6708489967. The next prime is 6708490001. The reversal of 6708489984 is 4899848076.

6708489984 is a `hidden beast` number, since 6 + 70 + 8 + 489 + 9 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (6708489967) and next prime (6708490001).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16401972 + ... + 16402380.

Almost surely, 2^6708489984 is an apocalyptic number.

6708489984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6708489984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11559923760).

6708489984 is an abundant number, since it is smaller than the sum of its proper divisors (16411357536).

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

6708489984 is a wasteful number, since it uses less digits than its factorization.

6708489984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The square root of 6708489984 is about 81905.3721315031. The cubic root of 6708489984 is about 1885.9995809197. Note that the first 3 decimals are identical.

The spelling of 6708489984 in words is "six billion, seven hundred eight million, four hundred eighty-nine thousand, nine hundred eighty-four".