620212111709 has 8 divisors (see below), whose sum is σ = 621734899968. Its totient is φ = 618690156480.

The previous prime is 620212111697. The next prime is 620212111711. The reversal of 620212111709 is 907111212026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620212111709 - 2²⁰ = 620211063133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620212111789) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1295924 + ... + 1708754.

It is an arithmetic number, because the mean of its divisors is an integer number (77716862496).

Almost surely, 2^620212111709 is an apocalyptic number.

It is an amenable number.

620212111709 is a deficient number, since it is larger than the sum of its proper divisors (1522788259).

620212111709 is a wasteful number, since it uses less digits than its factorization.

620212111709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416515.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 620212111709 in words is "six hundred twenty billion, two hundred twelve million, one hundred eleven thousand, seven hundred nine".