2945818307 has 24 divisors (see below), whose sum is σ = 3203367552. Its totient is φ = 2704492800.

The previous prime is 2945818277. The next prime is 2945818319. The reversal of 2945818307 is 7038185492.

It is a happy number.

It is not a de Polignac number, because 2945818307 - 2²⁴ = 2929041091 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945818397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1739153 + ... + 1740845.

It is an arithmetic number, because the mean of its divisors is an integer number (133473648).

Almost surely, 2^2945818307 is an apocalyptic number.

2945818307 is a deficient number, since it is larger than the sum of its proper divisors (257549245).

2945818307 is a wasteful number, since it uses less digits than its factorization.

2945818307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2945818307 is about 54275.3931998654. The cubic root of 2945818307 is about 1433.5141547551.

The spelling of 2945818307 in words is "two billion, nine hundred forty-five million, eight hundred eighteen thousand, three hundred seven".