375938666543 has 4 divisors (see below), whose sum is σ = 410114908968. Its totient is φ = 341762424120.

The previous prime is 375938666539. The next prime is 375938666549. The reversal of 375938666543 is 345666839573.

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 375938666543 - 2² = 375938666539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 375938666543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375938666549) 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, 17088121196 + ... + 17088121217.

It is an arithmetic number, because the mean of its divisors is an integer number (102528727242).

Almost surely, 2^375938666543 is an apocalyptic number.

375938666543 is a deficient number, since it is larger than the sum of its proper divisors (34176242425).

375938666543 is a wasteful number, since it uses less digits than its factorization.

375938666543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34176242424.

The product of its digits is 293932800, while the sum is 65.

The spelling of 375938666543 in words is "three hundred seventy-five billion, nine hundred thirty-eight million, six hundred sixty-six thousand, five hundred forty-three".