4071440869 has 4 divisors (see below), whose sum is σ = 4075634880. Its totient is φ = 4067246860.

The previous prime is 4071440851. The next prime is 4071440909. The reversal of 4071440869 is 9680441704.

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 a cyclic number.

It is not a de Polignac number, because 4071440869 - 2²¹ = 4069343717 is a prime.

It is a super-2 number, since 2×4071440869² = 33153261499526950322, 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 (4071440809) 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, 2095549 + ... + 2097490.

It is an arithmetic number, because the mean of its divisors is an integer number (1018908720).

Almost surely, 2^4071440869 is an apocalyptic number.

It is an amenable number.

4071440869 is a deficient number, since it is larger than the sum of its proper divisors (4194011).

4071440869 is an equidigital number, since it uses as much as digits as its factorization.

4071440869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194010.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 4071440869 is about 63807.8433188272. The cubic root of 4071440869 is about 1596.7957838924.

The spelling of 4071440869 in words is "four billion, seventy-one million, four hundred forty thousand, eight hundred sixty-nine".