6888453642 has 96 divisors (see below), whose sum is σ = 17789850624. Its totient is φ = 1884902400.

The previous prime is 6888453641. The next prime is 6888453661. The reversal of 6888453642 is 2463548886.

6888453642 is a `hidden beast` number, since 68 + 8 + 8 + 4 + 536 + 42 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6888453641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369792 + ... + 387972.

It is an arithmetic number, because the mean of its divisors is an integer number (185310944).

Almost surely, 2^6888453642 is an apocalyptic number.

6888453642 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6888453642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8894925312).

6888453642 is an abundant number, since it is smaller than the sum of its proper divisors (10901396982).

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

6888453642 is a wasteful number, since it uses less digits than its factorization.

6888453642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18324 (or 18321 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The square root of 6888453642 is about 82996.7086214869. The cubic root of 6888453642 is about 1902.7157509457.

The spelling of 6888453642 in words is "six billion, eight hundred eighty-eight million, four hundred fifty-three thousand, six hundred forty-two".