2143432100044 has 6 divisors (see below), whose sum is σ = 3751006175084. Its totient is φ = 1071716050020.

The previous prime is 2143432100003. The next prime is 2143432100071. The reversal of 2143432100044 is 4400012343412.

It is a junction number, because it is equal to n+sod(n) for n = 2143432099985 and 2143432100021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267929012502 + ... + 267929012509.

Almost surely, 2^{2143432100044} is an apocalyptic number.

It is an amenable number.

2143432100044 is a deficient number, since it is larger than the sum of its proper divisors (1607574075040).

2143432100044 is a wasteful number, since it uses less digits than its factorization.

2143432100044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535858025015 (or 535858025013 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2143432100044 its reverse (4400012343412), we get a palindrome (6543444443456).

The spelling of 2143432100044 in words is "two trillion, one hundred forty-three billion, four hundred thirty-two million, one hundred thousand, forty-four".