620623350313 has 4 divisors (see below), whose sum is σ = 620625056128. Its totient is φ = 620621644500.

The previous prime is 620623350311. The next prime is 620623350349. The reversal of 620623350313 is 313053326026.

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 620623350313 - 2¹ = 620623350311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620623350311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63813 + ... + 1115938.

It is an arithmetic number, because the mean of its divisors is an integer number (155156264032).

Almost surely, 2^620623350313 is an apocalyptic number.

It is an amenable number.

620623350313 is a deficient number, since it is larger than the sum of its proper divisors (1705815).

620623350313 is a wasteful number, since it uses less digits than its factorization.

620623350313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705814.

The product of its (nonzero) digits is 58320, while the sum is 34.

Adding to 620623350313 its reverse (313053326026), we get a palindrome (933676676339).

The spelling of 620623350313 in words is "six hundred twenty billion, six hundred twenty-three million, three hundred fifty thousand, three hundred thirteen".