2068750821 has 8 divisors (see below), whose sum is σ = 2779390944. Its totient is φ = 1368638960.

The previous prime is 2068750813. The next prime is 2068750823. The reversal of 2068750821 is 1280578602.

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 2068750821 - 2³ = 2068750813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2068750821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068750823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2631606 + ... + 2632391.

It is an arithmetic number, because the mean of its divisors is an integer number (347423868).

Almost surely, 2^2068750821 is an apocalyptic number.

It is an amenable number.

2068750821 is a deficient number, since it is larger than the sum of its proper divisors (710640123).

2068750821 is a wasteful number, since it uses less digits than its factorization.

2068750821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264131.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 2068750821 is about 45483.5225218980. The cubic root of 2068750821 is about 1274.1954829267.

The spelling of 2068750821 in words is "two billion, sixty-eight million, seven hundred fifty thousand, eight hundred twenty-one".