2193009256 has 16 divisors (see below), whose sum is σ = 4151815200. Its totient is φ = 1085858544.

The previous prime is 2193009239. The next prime is 2193009257. The reversal of 2193009256 is 6529003912.

It is not an unprimeable number, because it can be changed into a prime (2193009257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329886 + ... + 1331533.

It is an arithmetic number, because the mean of its divisors is an integer number (259488450).

Almost surely, 2^2193009256 is an apocalyptic number.

It is an amenable number.

2193009256 is a deficient number, since it is larger than the sum of its proper divisors (1958805944).

2193009256 is a wasteful number, since it uses less digits than its factorization.

2193009256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661528 (or 2661524 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2193009256 is about 46829.5767224091. The cubic root of 2193009256 is about 1299.2123939305.

The spelling of 2193009256 in words is "two billion, one hundred ninety-three million, nine thousand, two hundred fifty-six".