3425861389 has 4 divisors (see below), whose sum is σ = 3457291420. Its totient is φ = 3394431360.

The previous prime is 3425861381. The next prime is 3425861419. The reversal of 3425861389 is 9831685243.

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 2370716100 + 1055145289 = 48690^2 + 32483^2 .

It is a cyclic number.

It is not a de Polignac number, because 3425861389 - 2³ = 3425861381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425861381) 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 3 ways as a sum of consecutive naturals, for example, 15714852 + ... + 15715069.

It is an arithmetic number, because the mean of its divisors is an integer number (864322855).

Almost surely, 2^3425861389 is an apocalyptic number.

It is an amenable number.

3425861389 is a deficient number, since it is larger than the sum of its proper divisors (31430031).

3425861389 is a wasteful number, since it uses less digits than its factorization.

3425861389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31430030.

The product of its digits is 1244160, while the sum is 49.

The square root of 3425861389 is about 58530.8584338210. The cubic root of 3425861389 is about 1507.4974833181.

The spelling of 3425861389 in words is "three billion, four hundred twenty-five million, eight hundred sixty-one thousand, three hundred eighty-nine".