2145928794 has 16 divisors (see below), whose sum is σ = 4292319168. Its totient is φ = 715232672.

The previous prime is 2145928789. The next prime is 2145928817. The reversal of 2145928794 is 4978295412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83059 + ... + 105785.

It is an arithmetic number, because the mean of its divisors is an integer number (268269948).

Almost surely, 2^2145928794 is an apocalyptic number.

2145928794 is an abundant number, since it is smaller than the sum of its proper divisors (2146390374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145928794 is a wasteful number, since it uses less digits than its factorization.

2145928794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38469.

The product of its digits is 1451520, while the sum is 51.

The square root of 2145928794 is about 46324.1707319192. The cubic root of 2145928794 is about 1289.8477063168.

The spelling of 2145928794 in words is "two billion, one hundred forty-five million, nine hundred twenty-eight thousand, seven hundred ninety-four".