2079208021 has 8 divisors (see below), whose sum is σ = 2271082464. Its totient is φ = 1887809520.

The previous prime is 2079207953. The next prime is 2079208049. The reversal of 2079208021 is 1208029702.

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 2079208021 - 2¹⁷ = 2079076949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2079208051) 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, 109815 + ... + 127348.

It is an arithmetic number, because the mean of its divisors is an integer number (283885308).

Almost surely, 2^2079208021 is an apocalyptic number.

It is an amenable number.

2079208021 is a deficient number, since it is larger than the sum of its proper divisors (191874443).

2079208021 is a wasteful number, since it uses less digits than its factorization.

2079208021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237971.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2079208021 is about 45598.3335331457. Note that the first 3 decimals coincide. The cubic root of 2079208021 is about 1276.3388260841.

The spelling of 2079208021 in words is "two billion, seventy-nine million, two hundred eight thousand, twenty-one".