2078833421 has 4 divisors (see below), whose sum is σ = 2375809632. Its totient is φ = 1781857212.

The previous prime is 2078833417. The next prime is 2078833499. The reversal of 2078833421 is 1243388702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1243388702 = 2 ⋅621694351.

It is a cyclic number.

It is not a de Polignac number, because 2078833421 - 2² = 2078833417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078832421) 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 3 ways as a sum of consecutive naturals, for example, 148488095 + ... + 148488108.

It is an arithmetic number, because the mean of its divisors is an integer number (593952408).

Almost surely, 2^2078833421 is an apocalyptic number.

It is an amenable number.

2078833421 is a deficient number, since it is larger than the sum of its proper divisors (296976211).

2078833421 is an equidigital number, since it uses as much as digits as its factorization.

2078833421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296976210.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2078833421 is about 45594.2257418634. The cubic root of 2078833421 is about 1276.2621710572.

The spelling of 2078833421 in words is "two billion, seventy-eight million, eight hundred thirty-three thousand, four hundred twenty-one".