10043987799 has 4 divisors (see below), whose sum is σ = 13391983736. Its totient is φ = 6695991864.

The previous prime is 10043987797. The next prime is 10043987813. The reversal of 10043987799 is 99778934001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10043987799 - 2¹ = 10043987797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10043987797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673997964 + ... + 1673997969.

It is an arithmetic number, because the mean of its divisors is an integer number (3347995934).

Almost surely, 2^10043987799 is an apocalyptic number.

10043987799 is a deficient number, since it is larger than the sum of its proper divisors (3347995937).

10043987799 is an equidigital number, since it uses as much as digits as its factorization.

10043987799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347995936.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 10043987799 in words is "ten billion, forty-three million, nine hundred eighty-seven thousand, seven hundred ninety-nine".