3045478369 has 4 divisors (see below), whose sum is σ = 3177890496. Its totient is φ = 2913066244.

The previous prime is 3045478349. The next prime is 3045478391. The reversal of 3045478369 is 9638745403.

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: 9638745403 = 7 ⋅1376963629.

It is a cyclic number.

It is not a de Polignac number, because 3045478369 - 2⁹ = 3045477857 is a prime.

It is a super-2 number, since 2×3045478369² = 18549876992093800322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3045478339) 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, 66206029 + ... + 66206074.

It is an arithmetic number, because the mean of its divisors is an integer number (794472624).

Almost surely, 2^3045478369 is an apocalyptic number.

It is an amenable number.

3045478369 is a deficient number, since it is larger than the sum of its proper divisors (132412127).

3045478369 is a wasteful number, since it uses less digits than its factorization.

3045478369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132412126.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 3045478369 is about 55185.8529788206. The cubic root of 3045478369 is about 1449.5009569216.

The spelling of 3045478369 in words is "three billion, forty-five million, four hundred seventy-eight thousand, three hundred sixty-nine".