6411744139 has 8 divisors (see below), whose sum is σ = 6434876448. Its totient is φ = 6388636800.

The previous prime is 6411744137. The next prime is 6411744179. The reversal of 6411744139 is 9314471146.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6411744139 - 2¹ = 6411744137 is a prime.

It is a super-2 number, since 2×6411744139² = 82220925808001702642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6411744137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617289 + ... + 627589.

It is an arithmetic number, because the mean of its divisors is an integer number (804359556).

Almost surely, 2^6411744139 is an apocalyptic number.

6411744139 is a deficient number, since it is larger than the sum of its proper divisors (23132309).

6411744139 is a wasteful number, since it uses less digits than its factorization.

6411744139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12485.

The product of its digits is 72576, while the sum is 40.

The square root of 6411744139 is about 80073.3672265629. The cubic root of 6411744139 is about 1857.7704950108.

The spelling of 6411744139 in words is "six billion, four hundred eleven million, seven hundred forty-four thousand, one hundred thirty-nine".