4139344261 has 8 divisors (see below), whose sum is σ = 4611471480. Its totient is φ = 3689176512.

The previous prime is 4139344259. The next prime is 4139344271. The reversal of 4139344261 is 1624439314.

It can be written as a sum of positive squares in 4 ways, for example, as 90440100 + 4048904161 = 9510^2 + 63631^2 .

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 4139344261 - 2¹ = 4139344259 is a prime.

It is a super-2 number, since 2×4139344261² = 34268341822147272242, which contains 22 as substring.

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 4139344261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139344241) 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 7 ways as a sum of consecutive naturals, for example, 5489470 + ... + 5490223.

It is an arithmetic number, because the mean of its divisors is an integer number (576433935).

Almost surely, 2^4139344261 is an apocalyptic number.

It is an amenable number.

4139344261 is a deficient number, since it is larger than the sum of its proper divisors (472127219).

4139344261 is a wasteful number, since it uses less digits than its factorization.

4139344261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979735.

The product of its digits is 62208, while the sum is 37.

The square root of 4139344261 is about 64337.7359020350. The cubic root of 4139344261 is about 1605.6239925152.

The spelling of 4139344261 in words is "four billion, one hundred thirty-nine million, three hundred forty-four thousand, two hundred sixty-one".