3545274612209 has 4 divisors (see below), whose sum is σ = 3867572304240. Its totient is φ = 3222976920180.

The previous prime is 3545274612199. The next prime is 3545274612223. The reversal of 3545274612209 is 9022164725453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3545274612209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3545274612289) 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, 161148845999 + ... + 161148846020.

It is an arithmetic number, because the mean of its divisors is an integer number (966893076060).

Almost surely, 2^{3545274612209} is an apocalyptic number.

It is an amenable number.

3545274612209 is a deficient number, since it is larger than the sum of its proper divisors (322297692031).

3545274612209 is a wasteful number, since it uses less digits than its factorization.

3545274612209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322297692030.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 3545274612209 in words is "three trillion, five hundred forty-five billion, two hundred seventy-four million, six hundred twelve thousand, two hundred nine".