6146989909 has 8 divisors (see below), whose sum is σ = 6167075040. Its totient is φ = 6126937200.

The previous prime is 6146989889. The next prime is 6146989943. The reversal of 6146989909 is 9099896416.

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

It is a cyclic number.

It is not a de Polignac number, because 6146989909 - 2⁷ = 6146989781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6146989949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405354 + ... + 420244.

It is an arithmetic number, because the mean of its divisors is an integer number (770884380).

Almost surely, 2^6146989909 is an apocalyptic number.

It is an amenable number.

6146989909 is a deficient number, since it is larger than the sum of its proper divisors (20085131).

6146989909 is a wasteful number, since it uses less digits than its factorization.

6146989909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211.

The product of its (nonzero) digits is 7558272, while the sum is 61.

The square root of 6146989909 is about 78402.7417186414. The cubic root of 6146989909 is about 1831.8398398542.

The spelling of 6146989909 in words is "six billion, one hundred forty-six million, nine hundred eighty-nine thousand, nine hundred nine".