4099947869 has 4 divisors (see below), whose sum is σ = 4278206496. Its totient is φ = 3921689244.

The previous prime is 4099947821. The next prime is 4099947893. The reversal of 4099947869 is 9687499904.

4099947869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4099947869 - 2²⁸ = 3831512413 is a prime.

It is a super-2 number, since 2×4099947869² = 33619145057035282322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099941869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89129279 + ... + 89129324.

It is an arithmetic number, because the mean of its divisors is an integer number (1069551624).

Almost surely, 2^4099947869 is an apocalyptic number.

It is an amenable number.

4099947869 is a deficient number, since it is larger than the sum of its proper divisors (178258627).

4099947869 is a wasteful number, since it uses less digits than its factorization.

4099947869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178258626.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The square root of 4099947869 is about 64030.8352983155. The cubic root of 4099947869 is about 1600.5138803794.

The spelling of 4099947869 in words is "four billion, ninety-nine million, nine hundred forty-seven thousand, eight hundred sixty-nine".