2121339163 has 2 divisors, whose sum is σ = 2121339164. Its totient is φ = 2121339162.

The previous prime is 2121339137. The next prime is 2121339217. The reversal of 2121339163 is 3619331212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121339163 - 2⁵ = 2121339131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121339263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060669581 + 1060669582.

It is an arithmetic number, because the mean of its divisors is an integer number (1060669582).

Almost surely, 2^2121339163 is an apocalyptic number.

2121339163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121339163 is an equidigital number, since it uses as much as digits as its factorization.

2121339163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 2121339163 is about 46057.9978179686. The cubic root of 2121339163 is about 1284.9020931022.

The spelling of 2121339163 in words is "two billion, one hundred twenty-one million, three hundred thirty-nine thousand, one hundred sixty-three".