2143624475663 has 4 divisors (see below), whose sum is σ = 2338499428008. Its totient is φ = 1948749523320.

The previous prime is 2143624475593. The next prime is 2143624475687. The reversal of 2143624475663 is 3665744263412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2143624475663 - 2²⁶ = 2143557366799 is a prime.

It is a super-2 number, since 2×2143624475663² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143624415663) 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, 97437476156 + ... + 97437476177.

It is an arithmetic number, because the mean of its divisors is an integer number (584624857002).

Almost surely, 2^{2143624475663} is an apocalyptic number.

2143624475663 is a deficient number, since it is larger than the sum of its proper divisors (194874952345).

2143624475663 is a wasteful number, since it uses less digits than its factorization.

2143624475663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194874952344.

The product of its digits is 17418240, while the sum is 53.

The spelling of 2143624475663 in words is "two trillion, one hundred forty-three billion, six hundred twenty-four million, four hundred seventy-five thousand, six hundred sixty-three".