6109881642 has 24 divisors (see below), whose sum is σ = 13934818560. Its totient is φ = 1929436200.

The previous prime is 6109881629. The next prime is 6109881647. The reversal of 6109881642 is 2461889016.

It is not an unprimeable number, because it can be changed into a prime (6109881647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8932234 + ... + 8932917.

It is an arithmetic number, because the mean of its divisors is an integer number (580617440).

Almost surely, 2^6109881642 is an apocalyptic number.

6109881642 is an abundant number, since it is smaller than the sum of its proper divisors (7824936918).

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

6109881642 is a wasteful number, since it uses less digits than its factorization.

6109881642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17865178 (or 17865175 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 6109881642 is about 78165.7318906437. The cubic root of 6109881642 is about 1828.1462353106.

The spelling of 6109881642 in words is "six billion, one hundred nine million, eight hundred eighty-one thousand, six hundred forty-two".