3453738373543 has 4 divisors (see below), whose sum is σ = 3453761059480. Its totient is φ = 3453715687608.

The previous prime is 3453738373493. The next prime is 3453738373559.

3453738373543 is nontrivially palindromic in base 10.

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 3453738373543 - 2¹³ = 3453738365351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453738373573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11113053 + ... + 11419606.

It is an arithmetic number, because the mean of its divisors is an integer number (863440264870).

Almost surely, 2^{3453738373543} is an apocalyptic number.

3453738373543 is a deficient number, since it is larger than the sum of its proper divisors (22685937).

3453738373543 is a wasteful number, since it uses less digits than its factorization.

3453738373543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22685936.

The product of its digits is 114307200, while the sum is 58.

The spelling of 3453738373543 in words is "three trillion, four hundred fifty-three billion, seven hundred thirty-eight million, three hundred seventy-three thousand, five hundred forty-three".