620880108919 has 12 divisors (see below), whose sum is σ = 725990520144. Its totient is φ = 529425517824.

The previous prime is 620880108913. The next prime is 620880108973. The reversal of 620880108919 is 919801088026.

It is not a de Polignac number, because 620880108919 - 2¹⁹ = 620879584631 is a prime.

It is a super-2 number, since 2×620880108919² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620880108913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32817027 + ... + 32835940.

It is an arithmetic number, because the mean of its divisors is an integer number (60499210012).

Almost surely, 2^620880108919 is an apocalyptic number.

620880108919 is a deficient number, since it is larger than the sum of its proper divisors (105110411225).

620880108919 is a wasteful number, since it uses less digits than its factorization.

620880108919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65653174 (or 65653167 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 52.

The spelling of 620880108919 in words is "six hundred twenty billion, eight hundred eighty million, one hundred eight thousand, nine hundred nineteen".