2143252473577 has 8 divisors (see below), whose sum is σ = 2213660463872. Its totient is φ = 2072923909200.

The previous prime is 2143252473569. The next prime is 2143252473643. The reversal of 2143252473577 is 7753742523412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2143252473577 - 2³ = 2143252473569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143252473377) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19801623 + ... + 19909564.

It is an arithmetic number, because the mean of its divisors is an integer number (276707557984).

Almost surely, 2^{2143252473577} is an apocalyptic number.

It is an amenable number.

2143252473577 is a deficient number, since it is larger than the sum of its proper divisors (70407990295).

2143252473577 is a wasteful number, since it uses less digits than its factorization.

2143252473577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39712959.

The product of its digits is 9878400, while the sum is 52.

Adding to 2143252473577 its reverse (7753742523412), we get a palindrome (9896994996989).

The spelling of 2143252473577 in words is "two trillion, one hundred forty-three billion, two hundred fifty-two million, four hundred seventy-three thousand, five hundred seventy-seven".