3489944581 has 8 divisors (see below), whose sum is σ = 3498475904. Its totient is φ = 3481425360.

The previous prime is 3489944573. The next prime is 3489944597. The reversal of 3489944581 is 1854499843.

3489944581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3489944581 - 2³ = 3489944573 is a prime.

It is a super-2 number, since 2×3489944581² = 24359426356902531122, 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 (3489944281) 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, 822736 + ... + 826966.

It is an arithmetic number, because the mean of its divisors is an integer number (437309488).

Almost surely, 2^3489944581 is an apocalyptic number.

It is an amenable number.

3489944581 is a deficient number, since it is larger than the sum of its proper divisors (8531323).

3489944581 is an equidigital number, since it uses as much as digits as its factorization.

3489944581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051.

The product of its digits is 4976640, while the sum is 55.

The square root of 3489944581 is about 59075.7529025234. The cubic root of 3489944581 is about 1516.8390829602.

The spelling of 3489944581 in words is "three billion, four hundred eighty-nine million, nine hundred forty-four thousand, five hundred eighty-one".