2143425343452 has 12 divisors (see below), whose sum is σ = 5001325801416. Its totient is φ = 714475114480.

The previous prime is 2143425343429. The next prime is 2143425343457. The reversal of 2143425343452 is 2543435243412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143425343457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89309389299 + ... + 89309389322.

It is an arithmetic number, because the mean of its divisors is an integer number (416777150118).

Almost surely, 2^{2143425343452} is an apocalyptic number.

It is an amenable number.

2143425343452 is an abundant number, since it is smaller than the sum of its proper divisors (2857900457964).

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

2143425343452 is a wasteful number, since it uses less digits than its factorization.

2143425343452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178618778628 (or 178618778626 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 42.

The spelling of 2143425343452 in words is "two trillion, one hundred forty-three billion, four hundred twenty-five million, three hundred forty-three thousand, four hundred fifty-two".