3545674409 has 4 divisors (see below), whose sum is σ = 3546302916. Its totient is φ = 3545045904.

The previous prime is 3545674399. The next prime is 3545674421. The reversal of 3545674409 is 9044765453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9044765453 = 19 ⋅476040287.

It can be written as a sum of positive squares in 2 ways, for example, as 173317225 + 3372357184 = 13165^2 + 58072^2 .

It is a cyclic number.

It is not a de Polignac number, because 3545674409 - 2¹⁶ = 3545608873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3545674439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305714 + ... + 317099.

It is an arithmetic number, because the mean of its divisors is an integer number (886575729).

Almost surely, 2^3545674409 is an apocalyptic number.

It is an amenable number.

3545674409 is a deficient number, since it is larger than the sum of its proper divisors (628507).

3545674409 is an equidigital number, since it uses as much as digits as its factorization.

3545674409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628506.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The square root of 3545674409 is about 59545.5658214783. The cubic root of 3545674409 is about 1524.8704587985.

The spelling of 3545674409 in words is "three billion, five hundred forty-five million, six hundred seventy-four thousand, four hundred nine".