3421213013 has 4 divisors (see below), whose sum is σ = 3421431468. Its totient is φ = 3420994560.

The previous prime is 3421213001. The next prime is 3421213043. The reversal of 3421213013 is 3103121243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3103121243 = 71 ⋅43705933.

It can be written as a sum of positive squares in 2 ways, for example, as 2072707729 + 1348505284 = 45527^2 + 36722^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421213013 - 2⁴ = 3421212997 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 (3421213043) 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, 83756 + ... + 117717.

It is an arithmetic number, because the mean of its divisors is an integer number (855357867).

Almost surely, 2^3421213013 is an apocalyptic number.

It is an amenable number.

3421213013 is a deficient number, since it is larger than the sum of its proper divisors (218455).

3421213013 is a wasteful number, since it uses less digits than its factorization.

3421213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218454.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3421213013 is about 58491.1361917342. The cubic root of 3421213013 is about 1506.8153593157.

Adding to 3421213013 its reverse (3103121243), we get a palindrome (6524334256).

The spelling of 3421213013 in words is "three billion, four hundred twenty-one million, two hundred thirteen thousand, thirteen".