199000744969 has 12 divisors (see below), whose sum is σ = 224854975296. Its totient is φ = 175706339952.

The previous prime is 199000744967. The next prime is 199000744973. The reversal of 199000744969 is 969447000991.

It is not a de Polignac number, because 199000744969 - 2¹ = 199000744967 is a prime.

It is a super-2 number, since 2×199000744969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199000744963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25594357 + ... + 25602130.

It is an arithmetic number, because the mean of its divisors is an integer number (18737914608).

Almost surely, 2^199000744969 is an apocalyptic number.

It is an amenable number.

199000744969 is a deficient number, since it is larger than the sum of its proper divisors (25854230327).

199000744969 is a wasteful number, since it uses less digits than its factorization.

199000744969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51196536 (or 51196523 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 199000744969 in words is "one hundred ninety-nine billion, seven hundred forty-four thousand, nine hundred sixty-nine".