2143145058533 has 4 divisors (see below), whose sum is σ = 2159504944608. Its totient is φ = 2126785172460.

The previous prime is 2143145058473. The next prime is 2143145058541. The reversal of 2143145058533 is 3358505413412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2143145058533 - 2²⁰ = 2143144009957 is a prime.

It is a super-2 number, since 2×2143145058533² (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 (2143145058553) 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, 8179942841 + ... + 8179943102.

It is an arithmetic number, because the mean of its divisors is an integer number (539876236152).

Almost surely, 2^{2143145058533} is an apocalyptic number.

It is an amenable number.

2143145058533 is a deficient number, since it is larger than the sum of its proper divisors (16359886075).

2143145058533 is a wasteful number, since it uses less digits than its factorization.

2143145058533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16359886074.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 2143145058533 in words is "two trillion, one hundred forty-three billion, one hundred forty-five million, fifty-eight thousand, five hundred thirty-three".