620426054213 has 4 divisors (see below), whose sum is σ = 709058347680. Its totient is φ = 531793760748.

The previous prime is 620426054189. The next prime is 620426054239. The reversal of 620426054213 is 312450624026.

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 620426054213 - 2⁸ = 620426053957 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 (620426054243) 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, 44316146723 + ... + 44316146736.

It is an arithmetic number, because the mean of its divisors is an integer number (177264586920).

Almost surely, 2^620426054213 is an apocalyptic number.

It is an amenable number.

620426054213 is a deficient number, since it is larger than the sum of its proper divisors (88632293467).

620426054213 is an equidigital number, since it uses as much as digits as its factorization.

620426054213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88632293466.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 620426054213 its reverse (312450624026), we get a palindrome (932876678239).

The spelling of 620426054213 in words is "six hundred twenty billion, four hundred twenty-six million, fifty-four thousand, two hundred thirteen".