4214020981 has 2 divisors, whose sum is σ = 4214020982. Its totient is φ = 4214020980.

The previous prime is 4214020939. The next prime is 4214021011. The reversal of 4214020981 is 1890204124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3010277956 + 1203743025 = 54866^2 + 34695^2 .

It is a cyclic number.

It is not a de Polignac number, because 4214020981 - 2¹⁵ = 4213988213 is a prime.

It is a super-2 number, since 2×4214020981² = 35515945656616404722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4214020931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107010490 + 2107010491.

It is an arithmetic number, because the mean of its divisors is an integer number (2107010491).

Almost surely, 2^4214020981 is an apocalyptic number.

It is an amenable number.

4214020981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4214020981 is an equidigital number, since it uses as much as digits as its factorization.

4214020981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 4214020981 is about 64915.4910710841. The cubic root of 4214020981 is about 1615.2220369700. Note that the first 3 decimals are identical.

The spelling of 4214020981 in words is "four billion, two hundred fourteen million, twenty thousand, nine hundred eighty-one".