620243841622 has 4 divisors (see below), whose sum is σ = 930365762436. Its totient is φ = 310121920810.

The previous prime is 620243841601. The next prime is 620243841631. The reversal of 620243841622 is 226148342026.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226148342026 = 2 ⋅113074171013.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 155060960404 + ... + 155060960407.

It is an arithmetic number, because the mean of its divisors is an integer number (232591440609).

Almost surely, 2^620243841622 is an apocalyptic number.

620243841622 is a deficient number, since it is larger than the sum of its proper divisors (310121920814).

620243841622 is a wasteful number, since it uses less digits than its factorization.

620243841622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310121920813.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 620243841622 in words is "six hundred twenty billion, two hundred forty-three million, eight hundred forty-one thousand, six hundred twenty-two".