2945667842 has 32 divisors (see below), whose sum is σ = 4861104192. Its totient is φ = 1330501824.

The previous prime is 2945667839. The next prime is 2945667853. The reversal of 2945667842 is 2487665492.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224528 + ... + 237284.

It is an arithmetic number, because the mean of its divisors is an integer number (151909506).

Almost surely, 2^2945667842 is an apocalyptic number.

2945667842 is a deficient number, since it is larger than the sum of its proper divisors (1915436350).

2945667842 is a wasteful number, since it uses less digits than its factorization.

2945667842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12962.

The product of its digits is 5806080, while the sum is 53.

The square root of 2945667842 is about 54274.0070567855. The cubic root of 2945667842 is about 1433.4897475720.

The spelling of 2945667842 in words is "two billion, nine hundred forty-five million, six hundred sixty-seven thousand, eight hundred forty-two".