2193929530 has 16 divisors (see below), whose sum is σ = 4252848264. Its totient is φ = 810066240.

The previous prime is 2193929513. The next prime is 2193929537. The reversal of 2193929530 is 359293912.

It can be written as a sum of positive squares in 4 ways, for example, as 569920129 + 1624009401 = 23873^2 + 40299^2 .

It is not an unprimeable number, because it can be changed into a prime (2193929537) 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, 8438061 + ... + 8438320.

Almost surely, 2^2193929530 is an apocalyptic number.

2193929530 is a deficient number, since it is larger than the sum of its proper divisors (2058918734).

2193929530 is a wasteful number, since it uses less digits than its factorization.

2193929530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876401.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 2193929530 is about 46839.4014692758. The cubic root of 2193929530 is about 1299.3941022654.

The spelling of 2193929530 in words is "two billion, one hundred ninety-three million, nine hundred twenty-nine thousand, five hundred thirty".