4023886909 has 12 divisors (see below), whose sum is σ = 4842258300. Its totient is φ = 3330112128.

The previous prime is 4023886901. The next prime is 4023886913. The reversal of 4023886909 is 9096883204.

It can be written as a sum of positive squares in 2 ways, for example, as 2716702884 + 1307184025 = 52122^2 + 36155^2 .

It is not a de Polignac number, because 4023886909 - 2³ = 4023886901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023886901) 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, 1414444 + ... + 1417285.

It is an arithmetic number, because the mean of its divisors is an integer number (403521525).

Almost surely, 2^4023886909 is an apocalyptic number.

4023886909 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4023886909 is a deficient number, since it is larger than the sum of its proper divisors (818371391).

4023886909 is a wasteful number, since it uses less digits than its factorization.

4023886909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831772 (or 2831765 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 4023886909 is about 63434.1147096734. The cubic root of 4023886909 is about 1590.5546248877.

The spelling of 4023886909 in words is "four billion, twenty-three million, eight hundred eighty-six thousand, nine hundred nine".