4771661849999 has 16 divisors (see below), whose sum is σ = 5212404933120. Its totient is φ = 4332079548000.

The previous prime is 4771661849993. The next prime is 4771661850047. The reversal of 4771661849999 is 9999481661774.

It is a cyclic number.

It is not a de Polignac number, because 4771661849999 - 2²⁰ = 4771660801423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4771661849993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71408294 + ... + 71475084.

It is an arithmetic number, because the mean of its divisors is an integer number (325775308320).

Almost surely, 2^{4771661849999} is an apocalyptic number.

4771661849999 is a deficient number, since it is larger than the sum of its proper divisors (440743083121).

4771661849999 is a wasteful number, since it uses less digits than its factorization.

4771661849999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75382.

The product of its digits is 1481421312, while the sum is 80.

The spelling of 4771661849999 in words is "four trillion, seven hundred seventy-one billion, six hundred sixty-one million, eight hundred forty-nine thousand, nine hundred ninety-nine".