34404442013 has 4 divisors (see below), whose sum is σ = 34455261660. Its totient is φ = 34353622368.

The previous prime is 34404441997. The next prime is 34404442031. The reversal of 34404442013 is 31024440443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31024440443 = 38611 ⋅803513.

It can be written as a sum of positive squares in 2 ways, for example, as 33059239684 + 1345202329 = 181822^2 + 36677^2 .

It is a cyclic number.

It is not a de Polignac number, because 34404442013 - 2⁴ = 34404441997 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 (34404442043) 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, 25408808 + ... + 25410161.

It is an arithmetic number, because the mean of its divisors is an integer number (8613815415).

Almost surely, 2^34404442013 is an apocalyptic number.

It is an amenable number.

34404442013 is a deficient number, since it is larger than the sum of its proper divisors (50819647).

34404442013 is an equidigital number, since it uses as much as digits as its factorization.

34404442013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50819646.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 34404442013 its reverse (31024440443), we get a palindrome (65428882456).

The spelling of 34404442013 in words is "thirty-four billion, four hundred four million, four hundred forty-two thousand, thirteen".