2143436183880 has 64 divisors (see below), whose sum is σ = 6709887192960. Its totient is φ = 546731547648.

The previous prime is 2143436183873. The next prime is 2143436183893. The reversal of 2143436183880 is 883816343412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388300897 + ... + 388306416.

It is an arithmetic number, because the mean of its divisors is an integer number (104841987390).

Almost surely, 2^{2143436183880} is an apocalyptic number.

2143436183880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143436183880 is an abundant number, since it is smaller than the sum of its proper divisors (4566451009080).

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

2143436183880 is a wasteful number, since it uses less digits than its factorization.

2143436183880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776607350 (or 776607346 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 2143436183880 in words is "two trillion, one hundred forty-three billion, four hundred thirty-six million, one hundred eighty-three thousand, eight hundred eighty".