2162010421 has 8 divisors (see below), whose sum is σ = 2193260544. Its totient is φ = 2130782640.

The previous prime is 2162010391. The next prime is 2162010443. The reversal of 2162010421 is 1240102612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162010421 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 (2162013421) 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, 348876 + ... + 355018.

It is an arithmetic number, because the mean of its divisors is an integer number (274157568).

Almost surely, 2^2162010421 is an apocalyptic number.

It is an amenable number.

2162010421 is a deficient number, since it is larger than the sum of its proper divisors (31250123).

2162010421 is an equidigital number, since it uses as much as digits as its factorization.

2162010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11171.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2162010421 is about 46497.4238103575. The cubic root of 2162010421 is about 1293.0617378752.

It can be divided in two parts, 21620 and 10421, that added together give a square (32041 = 179²).

The spelling of 2162010421 in words is "two billion, one hundred sixty-two million, ten thousand, four hundred twenty-one".