10043139999 has 4 divisors (see below), whose sum is σ = 13390853336. Its totient is φ = 6695426664.

The previous prime is 10043139989. The next prime is 10043140001. The reversal of 10043139999 is 99993134001.

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

It is not a de Polignac number, because 10043139999 - 2¹² = 10043135903 is a prime.

It is a super-2 number, since 2×10043139999² (a number of 21 digits) 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 (10043139989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673856664 + ... + 1673856669.

It is an arithmetic number, because the mean of its divisors is an integer number (3347713334).

Almost surely, 2^10043139999 is an apocalyptic number.

10043139999 is a deficient number, since it is larger than the sum of its proper divisors (3347713337).

10043139999 is an equidigital number, since it uses as much as digits as its factorization.

10043139999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347713336.

The product of its (nonzero) digits is 236196, while the sum is 48.

The spelling of 10043139999 in words is "ten billion, forty-three million, one hundred thirty-nine thousand, nine hundred ninety-nine".