745043143733671 has 4 divisors (see below), whose sum is σ = 750403166350600. Its totient is φ = 739683121116744.

The previous prime is 745043143733641. The next prime is 745043143733711. The reversal of 745043143733671 is 176337341340547.

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 745043143733671 - 2⁵ = 745043143733639 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 (745043143733641) 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, 2680011308256 + ... + 2680011308533.

It is an arithmetic number, because the mean of its divisors is an integer number (187600791587650).

Almost surely, 2^{745043143733671} is an apocalyptic number.

745043143733671 is a deficient number, since it is larger than the sum of its proper divisors (5360022616929).

745043143733671 is a wasteful number, since it uses less digits than its factorization.

745043143733671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360022616928.

The product of its (nonzero) digits is 53343360, while the sum is 58.

The spelling of 745043143733671 in words is "seven hundred forty-five trillion, forty-three billion, one hundred forty-three million, seven hundred thirty-three thousand, six hundred seventy-one".