3421421434 has 4 divisors (see below), whose sum is σ = 5132132154. Its totient is φ = 1710710716.

The previous prime is 3421421417. The next prime is 3421421449. The reversal of 3421421434 is 4341241243.

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

It can be written as a sum of positive squares in only one way, i.e., 3332175625 + 89245809 = 57725^2 + 9447^2 .

It is a super-2 number, since 2×3421421434² = 23412249258069232712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855355357 + ... + 855355360.

Almost surely, 2^3421421434 is an apocalyptic number.

3421421434 is a deficient number, since it is larger than the sum of its proper divisors (1710710720).

3421421434 is a wasteful number, since it uses less digits than its factorization.

3421421434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710710719.

The product of its digits is 9216, while the sum is 28.

The square root of 3421421434 is about 58492.9178106205. The cubic root of 3421421434 is about 1506.8459571948.

Adding to 3421421434 its reverse (4341241243), we get a palindrome (7762662677).

The spelling of 3421421434 in words is "three billion, four hundred twenty-one million, four hundred twenty-one thousand, four hundred thirty-four".