3545047203243 has 24 divisors (see below), whose sum is σ = 5921397529488. Its totient is φ = 1869915007296.

The previous prime is 3545047203227. The next prime is 3545047203283. The reversal of 3545047203243 is 3423027405453.

It is not a de Polignac number, because 3545047203243 - 2⁴ = 3545047203227 is a prime.

It is a super-2 number, since 2×3545047203243² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3545047203195 and 3545047203204.

It is not an unprimeable number, because it can be changed into a prime (3545047203283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 927535296 + ... + 927539117.

It is an arithmetic number, because the mean of its divisors is an integer number (246724897062).

Almost surely, 2^{3545047203243} is an apocalyptic number.

3545047203243 is a deficient number, since it is larger than the sum of its proper divisors (2376350326245).

3545047203243 is a wasteful number, since it uses less digits than its factorization.

3545047203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855074443 (or 1855074436 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 42.

The spelling of 3545047203243 in words is "three trillion, five hundred forty-five billion, forty-seven million, two hundred three thousand, two hundred forty-three".