6146221389 has 32 divisors (see below), whose sum is σ = 10224092160. Its totient is φ = 3190656000.

The previous prime is 6146221381. The next prime is 6146221421. The reversal of 6146221389 is 9831226416.

It is not a de Polignac number, because 6146221389 - 2³ = 6146221381 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6146221389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6146221381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361522 + ... + 378140.

It is an arithmetic number, because the mean of its divisors is an integer number (319502880).

Almost surely, 2^6146221389 is an apocalyptic number.

It is an amenable number.

6146221389 is a deficient number, since it is larger than the sum of its proper divisors (4077870771).

6146221389 is a wasteful number, since it uses less digits than its factorization.

6146221389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18241.

The product of its digits is 124416, while the sum is 42.

The square root of 6146221389 is about 78397.8404613290. The cubic root of 6146221389 is about 1831.7634954836.

The spelling of 6146221389 in words is "six billion, one hundred forty-six million, two hundred twenty-one thousand, three hundred eighty-nine".