3545326278065 has 16 divisors (see below), whose sum is σ = 4998166278336. Its totient is φ = 2380079179200.

The previous prime is 3545326278001. The next prime is 3545326278073. The reversal of 3545326278065 is 5608726235453.

It is a happy number.

It is not a de Polignac number, because 3545326278065 - 2⁶ = 3545326278001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3545326278065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479248431 + ... + 2479249860.

It is an arithmetic number, because the mean of its divisors is an integer number (312385392396).

Almost surely, 2^{3545326278065} is an apocalyptic number.

It is an amenable number.

3545326278065 is a deficient number, since it is larger than the sum of its proper divisors (1452840000271).

3545326278065 is a wasteful number, since it uses less digits than its factorization.

3545326278065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958498320.

The product of its (nonzero) digits is 36288000, while the sum is 56.

The spelling of 3545326278065 in words is "three trillion, five hundred forty-five billion, three hundred twenty-six million, two hundred seventy-eight thousand, sixty-five".