620803539367705 has 16 divisors (see below), whose sum is σ = 771122813091840. Its totient is φ = 479415169945152.

The previous prime is 620803539367681. The next prime is 620803539367747. The reversal of 620803539367705 is 507763935308026.

It is a cyclic number.

It is not a de Polignac number, because 620803539367705 - 2¹¹ = 620803539365657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13211373385 + ... + 13211420374.

It is an arithmetic number, because the mean of its divisors is an integer number (48195175818240).

Almost surely, 2^{620803539367705} is an apocalyptic number.

It is an amenable number.

620803539367705 is a deficient number, since it is larger than the sum of its proper divisors (150319273724135).

620803539367705 is a wasteful number, since it uses less digits than its factorization.

620803539367705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26422793928.

The product of its (nonzero) digits is 171460800, while the sum is 64.

The spelling of 620803539367705 in words is "six hundred twenty trillion, eight hundred three billion, five hundred thirty-nine million, three hundred sixty-seven thousand, seven hundred five".