2144403221534 has 32 divisors (see below), whose sum is σ = 3702801849600. Its totient is φ = 912360283200.

The previous prime is 2144403221503. The next prime is 2144403221603. The reversal of 2144403221534 is 4351223044412.

It is a junction number, because it is equal to n+sod(n) for n = 2144403221494 and 2144403221503.

It is a congruent 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, 46542809 + ... + 46588859.

It is an arithmetic number, because the mean of its divisors is an integer number (115712557800).

Almost surely, 2^{2144403221534} is an apocalyptic number.

2144403221534 is a deficient number, since it is larger than the sum of its proper divisors (1558398628066).

2144403221534 is a wasteful number, since it uses less digits than its factorization.

2144403221534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70128.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 2144403221534 its reverse (4351223044412), we get a palindrome (6495626265946).

The spelling of 2144403221534 in words is "two trillion, one hundred forty-four billion, four hundred three million, two hundred twenty-one thousand, five hundred thirty-four".