6396189209140 has 24 divisors (see below), whose sum is σ = 13444925195520. Its totient is φ = 2556013234848.

The previous prime is 6396189209129. The next prime is 6396189209147. The reversal of 6396189209140 is 419029816936.

It is a super-2 number, since 2×6396189209140² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396189209147) 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, 153881752 + ... + 153923311.

It is an arithmetic number, because the mean of its divisors is an integer number (560205216480).

Almost surely, 2^{6396189209140} is an apocalyptic number.

It is an amenable number.

6396189209140 is an abundant number, since it is smaller than the sum of its proper divisors (7048735986380).

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

6396189209140 is a wasteful number, since it uses less digits than its factorization.

6396189209140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307806111 (or 307806109 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 6396189209140 in words is "six trillion, three hundred ninety-six billion, one hundred eighty-nine million, two hundred nine thousand, one hundred forty".