6423404545212 has 12 divisors (see below), whose sum is σ = 14987943938856. Its totient is φ = 2141134848400.

The previous prime is 6423404545157. The next prime is 6423404545307. The reversal of 6423404545212 is 2125454043246.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267641856039 + ... + 267641856062.

It is an arithmetic number, because the mean of its divisors is an integer number (1248995328238).

Almost surely, 2^{6423404545212} is an apocalyptic number.

It is an amenable number.

6423404545212 is an abundant number, since it is smaller than the sum of its proper divisors (8564539393644).

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

6423404545212 is a wasteful number, since it uses less digits than its factorization.

6423404545212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535283712108 (or 535283712106 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 6423404545212 its reverse (2125454043246), we get a palindrome (8548858588458).

The spelling of 6423404545212 in words is "six trillion, four hundred twenty-three billion, four hundred four million, five hundred forty-five thousand, two hundred twelve".