3545048405453 has 4 divisors (see below), whose sum is σ = 3545176427100. Its totient is φ = 3544920383808.

The previous prime is 3545048405449. The next prime is 3545048405467.

3545048405453 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1050044930089 + 2495003475364 = 1024717^2 + 1579558^2 .

It is a cyclic number.

It is not a de Polignac number, because 3545048405453 - 2² = 3545048405449 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 (3545048405443) 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, 63969278 + ... + 64024671.

It is an arithmetic number, because the mean of its divisors is an integer number (886294106775).

Almost surely, 2^{3545048405453} is an apocalyptic number.

It is an amenable number.

3545048405453 is a deficient number, since it is larger than the sum of its proper divisors (128021647).

3545048405453 is a wasteful number, since it uses less digits than its factorization.

3545048405453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128021646.

The product of its (nonzero) digits is 11520000, while the sum is 50.

The spelling of 3545048405453 in words is "three trillion, five hundred forty-five billion, forty-eight million, four hundred five thousand, four hundred fifty-three".