3498568129 has 4 divisors (see below), whose sum is σ = 3998363584. Its totient is φ = 2998772676.

The previous prime is 3498568123. The next prime is 3498568169. The reversal of 3498568129 is 9218658943.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9218658943 = 13 ⋅709127611.

It is a cyclic number.

It is not a de Polignac number, because 3498568129 - 2³ = 3498568121 is a prime.

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 3498568129.

It is not an unprimeable number, because it can be changed into a prime (3498568121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249897717 + ... + 249897730.

It is an arithmetic number, because the mean of its divisors is an integer number (999590896).

Almost surely, 2^3498568129 is an apocalyptic number.

It is an amenable number.

3498568129 is a deficient number, since it is larger than the sum of its proper divisors (499795455).

3498568129 is an equidigital number, since it uses as much as digits as its factorization.

3498568129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499795454.

The product of its digits is 3732480, while the sum is 55.

The square root of 3498568129 is about 59148.6950743632. The cubic root of 3498568129 is about 1518.0874099019.

The spelling of 3498568129 in words is "three billion, four hundred ninety-eight million, five hundred sixty-eight thousand, one hundred twenty-nine".