402243401113 has 2 divisors, whose sum is σ = 402243401114. Its totient is φ = 402243401112.

The previous prime is 402243401111. The next prime is 402243401159. The reversal of 402243401113 is 311104342204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352393015129 + 49850385984 = 593627^2 + 223272^2 .

It is a cyclic number.

It is not a de Polignac number, because 402243401113 - 2¹ = 402243401111 is a prime.

Together with 402243401111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (402243401111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201121700556 + 201121700557.

It is an arithmetic number, because the mean of its divisors is an integer number (201121700557).

Almost surely, 2^402243401113 is an apocalyptic number.

It is an amenable number.

402243401113 is a deficient number, since it is larger than the sum of its proper divisors (1).

402243401113 is an equidigital number, since it uses as much as digits as its factorization.

402243401113 is an evil number, because the sum of its binary digits is even.

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

Adding to 402243401113 its reverse (311104342204), we get a palindrome (713347743317).

The spelling of 402243401113 in words is "four hundred two billion, two hundred forty-three million, four hundred one thousand, one hundred thirteen".