4412521213 has 4 divisors (see below), whose sum is σ = 4412786560. Its totient is φ = 4412255868.

The previous prime is 4412521171. The next prime is 4412521249. The reversal of 4412521213 is 3121252144.

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 4412521213 - 2⁹ = 4412520701 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 (4412521283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105933 + ... + 141586.

It is an arithmetic number, because the mean of its divisors is an integer number (1103196640).

Almost surely, 2^4412521213 is an apocalyptic number.

It is an amenable number.

4412521213 is a deficient number, since it is larger than the sum of its proper divisors (265347).

4412521213 is a wasteful number, since it uses less digits than its factorization.

4412521213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265346.

The product of its digits is 1920, while the sum is 25.

The square root of 4412521213 is about 66426.8109500976. The cubic root of 4412521213 is about 1640.1954472846.

Adding to 4412521213 its reverse (3121252144), we get a palindrome (7533773357).

It can be divided in two parts, 4412 and 521213, that added together give a square (525625 = 725²).

The spelling of 4412521213 in words is "four billion, four hundred twelve million, five hundred twenty-one thousand, two hundred thirteen".