3499559943 has 12 divisors (see below), whose sum is σ = 5128832184. Its totient is φ = 2120945200.

The previous prime is 3499559929. The next prime is 3499559953.

3499559943 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3499559943 - 2⁵ = 3499559911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3499559923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4819968 + ... + 4820693.

It is an arithmetic number, because the mean of its divisors is an integer number (427402682).

Almost surely, 2^3499559943 is an apocalyptic number.

3499559943 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3499559943 is a deficient number, since it is larger than the sum of its proper divisors (1629272241).

3499559943 is a wasteful number, since it uses less digits than its factorization.

3499559943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640686 (or 9640675 counting only the distinct ones).

The product of its digits is 23619600, while the sum is 60.

The square root of 3499559943 is about 59157.0785536270. The cubic root of 3499559943 is about 1518.2308512597.

The spelling of 3499559943 in words is "three billion, four hundred ninety-nine million, five hundred fifty-nine thousand, nine hundred forty-three".