3445037813 has 4 divisors (see below), whose sum is σ = 3937186080. Its totient is φ = 2952889548.

The previous prime is 3445037809. The next prime is 3445037821. The reversal of 3445037813 is 3187305443.

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 not a de Polignac number, because 3445037813 - 2² = 3445037809 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 (3445037873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246074123 + ... + 246074136.

It is an arithmetic number, because the mean of its divisors is an integer number (984296520).

Almost surely, 2^3445037813 is an apocalyptic number.

It is an amenable number.

3445037813 is a deficient number, since it is larger than the sum of its proper divisors (492148267).

3445037813 is an equidigital number, since it uses as much as digits as its factorization.

3445037813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492148266.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 3445037813 is about 58694.4444815691. Note that the first 4 decimals coincide. The cubic root of 3445037813 is about 1510.3050146233.

The spelling of 3445037813 in words is "three billion, four hundred forty-five million, thirty-seven thousand, eight hundred thirteen".