6119681986 has 8 divisors (see below), whose sum is σ = 10014025104. Its totient is φ = 2781673620.

The previous prime is 6119681963. The next prime is 6119681987. The reversal of 6119681986 is 6891869116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6119681987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139083660 + ... + 139083703.

It is an arithmetic number, because the mean of its divisors is an integer number (1251753138).

Almost surely, 2^6119681986 is an apocalyptic number.

6119681986 is a deficient number, since it is larger than the sum of its proper divisors (3894343118).

6119681986 is a wasteful number, since it uses less digits than its factorization.

6119681986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278167376.

The product of its digits is 1119744, while the sum is 55.

The square root of 6119681986 is about 78228.3962893271. The cubic root of 6119681986 is about 1829.1231713703.

The spelling of 6119681986 in words is "six billion, one hundred nineteen million, six hundred eighty-one thousand, nine hundred eighty-six".