620313235153 has 4 divisors (see below), whose sum is σ = 641703346740. Its totient is φ = 598923123568.

The previous prime is 620313235147. The next prime is 620313235163. The reversal of 620313235153 is 351532313026.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253620010449 + 366693224704 = 503607^2 + 605552^2 .

It is a cyclic number.

It is not a de Polignac number, because 620313235153 - 2⁹ = 620313234641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620313235123) 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, 10695055750 + ... + 10695055807.

It is an arithmetic number, because the mean of its divisors is an integer number (160425836685).

Almost surely, 2^620313235153 is an apocalyptic number.

It is an amenable number.

620313235153 is a deficient number, since it is larger than the sum of its proper divisors (21390111587).

620313235153 is a wasteful number, since it uses less digits than its factorization.

620313235153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21390111586.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 620313235153 its reverse (351532313026), we get a palindrome (971845548179).

The spelling of 620313235153 in words is "six hundred twenty billion, three hundred thirteen million, two hundred thirty-five thousand, one hundred fifty-three".