199434133964 has 96 divisors (see below), whose sum is σ = 386297795520. Its totient is φ = 89523532800.

The previous prime is 199434133963. The next prime is 199434133979. The reversal of 199434133964 is 469331434991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (199434133963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269869907 + ... + 269870645.

It is an arithmetic number, because the mean of its divisors is an integer number (4023935370).

Almost surely, 2^199434133964 is an apocalyptic number.

It is an amenable number.

199434133964 is a deficient number, since it is larger than the sum of its proper divisors (186863661556).

199434133964 is a wasteful number, since it uses less digits than its factorization.

199434133964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1529 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 56.

The spelling of 199434133964 in words is "one hundred ninety-nine billion, four hundred thirty-four million, one hundred thirty-three thousand, nine hundred sixty-four".