3042545509 has 4 divisors (see below), whose sum is σ = 3087956704. Its totient is φ = 2997134316.

The previous prime is 3042545497. The next prime is 3042545537. The reversal of 3042545509 is 9055452403.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9055452403 = 11117 ⋅814559.

It is not a de Polignac number, because 3042545509 - 2²⁷ = 2908327781 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 (3042545549) 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, 22705497 + ... + 22705630.

It is an arithmetic number, because the mean of its divisors is an integer number (771989176).

Almost surely, 2^3042545509 is an apocalyptic number.

It is an amenable number.

3042545509 is a deficient number, since it is larger than the sum of its proper divisors (45411195).

3042545509 is an equidigital number, since it uses as much as digits as its factorization.

3042545509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45411194.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 3042545509 is about 55159.2740071876. The cubic root of 3042545509 is about 1449.0355074638.

The spelling of 3042545509 in words is "three billion, forty-two million, five hundred forty-five thousand, five hundred nine".