2945921594 has 16 divisors (see below), whose sum is σ = 5509256256. Its totient is φ = 1147761600.

The previous prime is 2945921567. The next prime is 2945921597. The reversal of 2945921594 is 4951295492.

It is not an unprimeable number, because it can be changed into a prime (2945921597) 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, 9564527 + ... + 9564834.

It is an arithmetic number, because the mean of its divisors is an integer number (344328516).

Almost surely, 2^2945921594 is an apocalyptic number.

2945921594 is a deficient number, since it is larger than the sum of its proper divisors (2563334662).

2945921594 is a wasteful number, since it uses less digits than its factorization.

2945921594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19129381.

The product of its digits is 1166400, while the sum is 50.

The square root of 2945921594 is about 54276.3447000625. The cubic root of 2945921594 is about 1433.5309086336.

The spelling of 2945921594 in words is "two billion, nine hundred forty-five million, nine hundred twenty-one thousand, five hundred ninety-four".