65673983199 has 16 divisors (see below), whose sum is σ = 95531667840. Its totient is φ = 39799966560.

The previous prime is 65673983131. The next prime is 65673983213. The reversal of 65673983199 is 99138937656.

It is not a de Polignac number, because 65673983199 - 2¹³ = 65673975007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65673983099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585664 + ... + 688730.

It is an arithmetic number, because the mean of its divisors is an integer number (5970729240).

Almost surely, 2^65673983199 is an apocalyptic number.

65673983199 is a deficient number, since it is larger than the sum of its proper divisors (29857684641).

65673983199 is a wasteful number, since it uses less digits than its factorization.

65673983199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122390.

The product of its digits is 66134880, while the sum is 66.

The spelling of 65673983199 in words is "sixty-five billion, six hundred seventy-three million, nine hundred eighty-three thousand, one hundred ninety-nine".