3421305442 has 4 divisors (see below), whose sum is σ = 5131958166. Its totient is φ = 1710652720.

The previous prime is 3421305431. The next prime is 3421305443. The reversal of 3421305442 is 2445031243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2445031243 = 8821 ⋅277183.

It can be written as a sum of positive squares in only one way, i.e., 3112635681 + 308669761 = 55791^2 + 17569^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3421305442.

It is not an unprimeable number, because it can be changed into a prime (3421305443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855326359 + ... + 855326362.

Almost surely, 2^3421305442 is an apocalyptic number.

3421305442 is a deficient number, since it is larger than the sum of its proper divisors (1710652724).

3421305442 is a wasteful number, since it uses less digits than its factorization.

3421305442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710652723.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3421305442 is about 58491.9262975669. The cubic root of 3421305442 is about 1506.8289287896.

Adding to 3421305442 its reverse (2445031243), we get a palindrome (5866336685).

The spelling of 3421305442 in words is "three billion, four hundred twenty-one million, three hundred five thousand, four hundred forty-two".