2111434429 has 8 divisors (see below), whose sum is σ = 2274842360. Its totient is φ = 1948167936.

The previous prime is 2111434421. The next prime is 2111434433. The reversal of 2111434429 is 9244341112.

It can be written as a sum of positive squares in 4 ways, for example, as 373378329 + 1738056100 = 19323^2 + 41690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2111434429 - 2³ = 2111434421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111434429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111434421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264 + ... + 65065.

It is an arithmetic number, because the mean of its divisors is an integer number (284355295).

Almost surely, 2^2111434429 is an apocalyptic number.

It is an amenable number.

2111434429 is a deficient number, since it is larger than the sum of its proper divisors (163407931).

2111434429 is a wasteful number, since it uses less digits than its factorization.

2111434429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70719.

The product of its digits is 6912, while the sum is 31.

The square root of 2111434429 is about 45950.3474306778. The cubic root of 2111434429 is about 1282.8991959911.

The spelling of 2111434429 in words is "two billion, one hundred eleven million, four hundred thirty-four thousand, four hundred twenty-nine".