3398421265 has 4 divisors (see below), whose sum is σ = 4078105524. Its totient is φ = 2718737008.

The previous prime is 3398421259. The next prime is 3398421269. The reversal of 3398421265 is 5621248933.

3398421265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2615708736 + 782712529 = 51144^2 + 27977^2 .

It is a cyclic number.

It is not a de Polignac number, because 3398421265 - 2¹¹ = 3398419217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3398421269) 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, 339842122 + ... + 339842131.

It is an arithmetic number, because the mean of its divisors is an integer number (1019526381).

Almost surely, 2^3398421265 is an apocalyptic number.

It is an amenable number.

3398421265 is a deficient number, since it is larger than the sum of its proper divisors (679684259).

3398421265 is an equidigital number, since it uses as much as digits as its factorization.

3398421265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679684258.

The product of its digits is 311040, while the sum is 43.

The square root of 3398421265 is about 58295.9798356628. The cubic root of 3398421265 is about 1503.4618214191.

It can be divided in two parts, 339 and 8421265, that added together give a square (8421604 = 2902²).

The spelling of 3398421265 in words is "three billion, three hundred ninety-eight million, four hundred twenty-one thousand, two hundred sixty-five".