620381797185 has 32 divisors (see below), whose sum is σ = 1044242928000. Its totient is φ = 314046365696.

The previous prime is 620381797151. The next prime is 620381797213. The reversal of 620381797185 is 581797183026.

It is a happy number.

It is not a de Polignac number, because 620381797185 - 2¹⁵ = 620381764417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12060480 + ... + 12111809.

It is an arithmetic number, because the mean of its divisors is an integer number (32632591500).

Almost surely, 2^620381797185 is an apocalyptic number.

It is an amenable number.

620381797185 is a deficient number, since it is larger than the sum of its proper divisors (423861130815).

620381797185 is a wasteful number, since it uses less digits than its factorization.

620381797185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24172385.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 620381797185 in words is "six hundred twenty billion, three hundred eighty-one million, seven hundred ninety-seven thousand, one hundred eighty-five".