620341323186577 has 4 divisors (see below), whose sum is σ = 626483316485556. Its totient is φ = 614199329887600.

The previous prime is 620341323186553. The next prime is 620341323186587. The reversal of 620341323186577 is 775681323143026.

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 268389615525201 + 351951707661376 = 16382601^2 + 18760376^2 .

It is a cyclic number.

It is not a de Polignac number, because 620341323186577 - 2⁷ = 620341323186449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620341323186547) 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, 3070996649338 + ... + 3070996649539.

It is an arithmetic number, because the mean of its divisors is an integer number (156620829121389).

Almost surely, 2^{620341323186577} is an apocalyptic number.

It is an amenable number.

620341323186577 is a deficient number, since it is larger than the sum of its proper divisors (6141993298979).

620341323186577 is a wasteful number, since it uses less digits than its factorization.

620341323186577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141993298978.

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 620341323186577 in words is "six hundred twenty trillion, three hundred forty-one billion, three hundred twenty-three million, one hundred eighty-six thousand, five hundred seventy-seven".