3545788743721 has 8 divisors (see below), whose sum is σ = 4055761272384. Its totient is φ = 3036674034960.

The previous prime is 3545788743719. The next prime is 3545788743727. The reversal of 3545788743721 is 1273478875453.

3545788743721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3545788743721 - 2¹ = 3545788743719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3545788743727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214446115 + ... + 214462648.

It is an arithmetic number, because the mean of its divisors is an integer number (506970159048).

Almost surely, 2^{3545788743721} is an apocalyptic number.

It is an amenable number.

3545788743721 is a deficient number, since it is larger than the sum of its proper divisors (509972528663).

3545788743721 is a wasteful number, since it uses less digits than its factorization.

3545788743721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428909951.

The product of its digits is 158054400, while the sum is 64.

The spelling of 3545788743721 in words is "three trillion, five hundred forty-five billion, seven hundred eighty-eight million, seven hundred forty-three thousand, seven hundred twenty-one".