4445330123513 has 4 divisors (see below), whose sum is σ = 4445362835328. Its totient is φ = 4445297411700.

The previous prime is 4445330123449. The next prime is 4445330123537. The reversal of 4445330123513 is 3153210335444.

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 4445330123513 - 2⁶ = 4445330123449 is a prime.

It is a super-2 number, since 2×4445330123513² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445330123543) 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, 16151213 + ... + 16424138.

It is an arithmetic number, because the mean of its divisors is an integer number (1111340708832).

Almost surely, 2^{4445330123513} is an apocalyptic number.

It is an amenable number.

4445330123513 is a deficient number, since it is larger than the sum of its proper divisors (32711815).

4445330123513 is a wasteful number, since it uses less digits than its factorization.

4445330123513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32711814.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 4445330123513 its reverse (3153210335444), we get a palindrome (7598540458957).

The spelling of 4445330123513 in words is "four trillion, four hundred forty-five billion, three hundred thirty million, one hundred twenty-three thousand, five hundred thirteen".