2668532345743 has 4 divisors (see below), whose sum is σ = 2911126195368. Its totient is φ = 2425938496120.

The previous prime is 2668532345737. The next prime is 2668532345771. The reversal of 2668532345743 is 3475432358662.

It is a happy number.

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 2668532345743 - 2¹³ = 2668532337551 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668532345243) 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, 121296924796 + ... + 121296924817.

It is an arithmetic number, because the mean of its divisors is an integer number (727781548842).

Almost surely, 2^{2668532345743} is an apocalyptic number.

2668532345743 is a deficient number, since it is larger than the sum of its proper divisors (242593849625).

2668532345743 is a wasteful number, since it uses less digits than its factorization.

2668532345743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242593849624.

The product of its digits is 87091200, while the sum is 58.

The spelling of 2668532345743 in words is "two trillion, six hundred sixty-eight billion, five hundred thirty-two million, three hundred forty-five thousand, seven hundred forty-three".