4405521301213 has 4 divisors (see below), whose sum is σ = 4405631377500. Its totient is φ = 4405411224928.

The previous prime is 4405521301201. The next prime is 4405521301243. The reversal of 4405521301213 is 3121031255044.

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 2869575016324 + 1535946284889 = 1693982^2 + 1239333^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405521301213 - 2³³ = 4396931366621 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 (4405521301243) 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, 54978088 + ... + 55058161.

It is an arithmetic number, because the mean of its divisors is an integer number (1101407844375).

Almost surely, 2^{4405521301213} is an apocalyptic number.

It is an amenable number.

4405521301213 is a deficient number, since it is larger than the sum of its proper divisors (110076287).

4405521301213 is a wasteful number, since it uses less digits than its factorization.

4405521301213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110076286.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 4405521301213 its reverse (3121031255044), we get a palindrome (7526552556257).

The spelling of 4405521301213 in words is "four trillion, four hundred five billion, five hundred twenty-one million, three hundred one thousand, two hundred thirteen".