199481484659 has 4 divisors (see below), whose sum is σ = 199618210920. Its totient is φ = 199344758400.

The previous prime is 199481484571. The next prime is 199481484673. The reversal of 199481484659 is 956484184991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956484184991 = 181 ⋅5284443011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199481484659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199481480659) 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, 68360942 + ... + 68363859.

It is an arithmetic number, because the mean of its divisors is an integer number (49904552730).

Almost surely, 2^199481484659 is an apocalyptic number.

199481484659 is a deficient number, since it is larger than the sum of its proper divisors (136726261).

199481484659 is a wasteful number, since it uses less digits than its factorization.

199481484659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136726260.

The product of its digits is 89579520, while the sum is 68.

The spelling of 199481484659 in words is "one hundred ninety-nine billion, four hundred eighty-one million, four hundred eighty-four thousand, six hundred fifty-nine".