3440545513 has 4 divisors (see below), whose sum is σ = 3444451668. Its totient is φ = 3436639360.

The previous prime is 3440545501. The next prime is 3440545543. The reversal of 3440545513 is 3155450443.

3440545513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2259386089 + 1181159424 = 47533^2 + 34368^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440545513 - 2⁵ = 3440545481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440545543) 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, 1951756 + ... + 1953517.

It is an arithmetic number, because the mean of its divisors is an integer number (861112917).

Almost surely, 2^3440545513 is an apocalyptic number.

It is an amenable number.

3440545513 is a deficient number, since it is larger than the sum of its proper divisors (3906155).

3440545513 is an equidigital number, since it uses as much as digits as its factorization.

3440545513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906154.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 3440545513 is about 58656.1634698349. The cubic root of 3440545513 is about 1509.6482541071.

Adding to 3440545513 its reverse (3155450443), we get a palindrome (6595995956).

The spelling of 3440545513 in words is "three billion, four hundred forty million, five hundred forty-five thousand, five hundred thirteen".