4014343021021 has 2 divisors, whose sum is σ = 4014343021022. Its totient is φ = 4014343021020.

The previous prime is 4014343021019. The next prime is 4014343021037. The reversal of 4014343021021 is 1201203434104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3400022527225 + 614320493796 = 1843915^2 + 783786^2 .

It is a cyclic number.

It is not a de Polignac number, because 4014343021021 - 2¹ = 4014343021019 is a prime.

It is a super-2 number, since 2×4014343021021² (a number of 26 digits) contains 22 as substring.

Together with 4014343021019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4014343021081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007171510510 + 2007171510511.

It is an arithmetic number, because the mean of its divisors is an integer number (2007171510511).

Almost surely, 2^{4014343021021} is an apocalyptic number.

It is an amenable number.

4014343021021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4014343021021 is an equidigital number, since it uses as much as digits as its factorization.

4014343021021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4014343021021 its reverse (1201203434104), we get a palindrome (5215546455125).

The spelling of 4014343021021 in words is "four trillion, fourteen billion, three hundred forty-three million, twenty-one thousand, twenty-one".