620787306383 has 2 divisors, whose sum is σ = 620787306384. Its totient is φ = 620787306382.

The previous prime is 620787306353. The next prime is 620787306463. The reversal of 620787306383 is 383603787026.

It is a happy number.

620787306383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620787306383 - 2¹⁶ = 620787240847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620787306323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310393653191 + 310393653192.

It is an arithmetic number, because the mean of its divisors is an integer number (310393653192).

Almost surely, 2^620787306383 is an apocalyptic number.

620787306383 is a deficient number, since it is larger than the sum of its proper divisors (1).

620787306383 is an equidigital number, since it uses as much as digits as its factorization.

620787306383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 620787306383 in words is "six hundred twenty billion, seven hundred eighty-seven million, three hundred six thousand, three hundred eighty-three".