4021403311109 has 2 divisors, whose sum is σ = 4021403311110. Its totient is φ = 4021403311108.

The previous prime is 4021403311091. The next prime is 4021403311111. The reversal of 4021403311109 is 9011133041204.

It is a happy number.

Together with previous prime (4021403311091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3136069101025 + 885334210084 = 1770895^2 + 940922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021403311109 is a prime.

Together with 4021403311111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021403311199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010701655554 + 2010701655555.

It is an arithmetic number, because the mean of its divisors is an integer number (2010701655555).

Almost surely, 2^{4021403311109} is an apocalyptic number.

It is an amenable number.

4021403311109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021403311109 is an equidigital number, since it uses as much as digits as its factorization.

4021403311109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 4021403311109 in words is "four trillion, twenty-one billion, four hundred three million, three hundred eleven thousand, one hundred nine".