420044403003013 has 4 divisors (see below), whose sum is σ = 420081110556448. Its totient is φ = 420007695449580.

The previous prime is 420044403002971. The next prime is 420044403003089. The reversal of 420044403003013 is 310300304440024.

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 a de Polignac number, because none of the positive numbers 2^k-420044403003013 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 (420044403003913) 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, 18353759553 + ... + 18353782438.

It is an arithmetic number, because the mean of its divisors is an integer number (105020277639112).

Almost surely, 2^{420044403003013} is an apocalyptic number.

It is an amenable number.

420044403003013 is a deficient number, since it is larger than the sum of its proper divisors (36707553435).

420044403003013 is a wasteful number, since it uses less digits than its factorization.

420044403003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36707553434.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 420044403003013 its reverse (310300304440024), we get a palindrome (730344707443037).

The spelling of 420044403003013 in words is "four hundred twenty trillion, forty-four billion, four hundred three million, three thousand, thirteen".