2945681259 has 32 divisors (see below), whose sum is σ = 4122531840. Its totient is φ = 1868977152.

The previous prime is 2945681227. The next prime is 2945681269. The reversal of 2945681259 is 9521865492.

It is not a de Polignac number, because 2945681259 - 2⁵ = 2945681227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2945681269) 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 31 ways as a sum of consecutive naturals, for example, 1459419 + ... + 1461435.

It is an arithmetic number, because the mean of its divisors is an integer number (128829120).

Almost surely, 2^2945681259 is an apocalyptic number.

2945681259 is a deficient number, since it is larger than the sum of its proper divisors (1176850581).

2945681259 is a wasteful number, since it uses less digits than its factorization.

2945681259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its digits is 1555200, while the sum is 51.

The square root of 2945681259 is about 54274.1306609327. The cubic root of 2945681259 is about 1433.4919240001.

The spelling of 2945681259 in words is "two billion, nine hundred forty-five million, six hundred eighty-one thousand, two hundred fifty-nine".