4409212013 has 4 divisors (see below), whose sum is σ = 4483944480. Its totient is φ = 4334479548.

The previous prime is 4409211979. The next prime is 4409212051. The reversal of 4409212013 is 3102129044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4409212013 - 2²⁸ = 4140776557 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 (4409212063) 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, 37366145 + ... + 37366262.

It is an arithmetic number, because the mean of its divisors is an integer number (1120986120).

Almost surely, 2^4409212013 is an apocalyptic number.

It is an amenable number.

4409212013 is a deficient number, since it is larger than the sum of its proper divisors (74732467).

4409212013 is an equidigital number, since it uses as much as digits as its factorization.

4409212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74732466.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4409212013 is about 66401.8976611362. The cubic root of 4409212013 is about 1639.7853195343.

The spelling of 4409212013 in words is "four billion, four hundred nine million, two hundred twelve thousand, thirteen".