3421234651613 has 4 divisors (see below), whose sum is σ = 3423360964380. Its totient is φ = 3419108338848.

The previous prime is 3421234651579. The next prime is 3421234651631. The reversal of 3421234651613 is 3161564321243.

It is a happy number.

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 3210697752964 + 210536898649 = 1791842^2 + 458843^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421234651613 - 2⁸ = 3421234651357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421234659613) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1063153970 + ... + 1063157187.

It is an arithmetic number, because the mean of its divisors is an integer number (855840241095).

Almost surely, 2^{3421234651613} is an apocalyptic number.

It is an amenable number.

3421234651613 is a deficient number, since it is larger than the sum of its proper divisors (2126312767).

3421234651613 is a wasteful number, since it uses less digits than its factorization.

3421234651613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126312766.

The product of its digits is 311040, while the sum is 41.

Adding to 3421234651613 its reverse (3161564321243), we get a palindrome (6582798972856).

The spelling of 3421234651613 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-four million, six hundred fifty-one thousand, six hundred thirteen".