6419140985 has 8 divisors (see below), whose sum is σ = 7708870656. Its totient is φ = 5131378480.

The previous prime is 6419140969. The next prime is 6419140997. The reversal of 6419140985 is 5890419146.

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

It is not a de Polignac number, because 6419140985 - 2⁴ = 6419140969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484601 + ... + 497670.

It is an arithmetic number, because the mean of its divisors is an integer number (963608832).

Almost surely, 2^6419140985 is an apocalyptic number.

It is an amenable number.

6419140985 is a deficient number, since it is larger than the sum of its proper divisors (1289729671).

6419140985 is a wasteful number, since it uses less digits than its factorization.

6419140985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983583.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 6419140985 is about 80119.5418421748. The cubic root of 6419140985 is about 1858.4846200620.

The spelling of 6419140985 in words is "six billion, four hundred nineteen million, one hundred forty thousand, nine hundred eighty-five".