2945333489 has 8 divisors (see below), whose sum is σ = 3367132608. Its totient is φ = 2523793680.

The previous prime is 2945333449. The next prime is 2945333519. The reversal of 2945333489 is 9843335492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945333489 is a prime.

It is a super-2 number, since 2×2945333489² = 17349978722849826242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2945333449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39842 + ... + 86475.

It is an arithmetic number, because the mean of its divisors is an integer number (420891576).

Almost surely, 2^2945333489 is an apocalyptic number.

It is an amenable number.

2945333489 is a deficient number, since it is larger than the sum of its proper divisors (421799119).

2945333489 is a wasteful number, since it uses less digits than its factorization.

2945333489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129655.

The product of its digits is 2799360, while the sum is 50.

The square root of 2945333489 is about 54270.9267379874. The cubic root of 2945333489 is about 1433.4355086288.

The spelling of 2945333489 in words is "two billion, nine hundred forty-five million, three hundred thirty-three thousand, four hundred eighty-nine".