402424330201 has 2 divisors, whose sum is σ = 402424330202. Its totient is φ = 402424330200.

The previous prime is 402424330199. The next prime is 402424330237. The reversal of 402424330201 is 102033424204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245323080601 + 157101249600 = 495301^2 + 396360^2 .

It is a cyclic number.

It is not a de Polignac number, because 402424330201 - 2¹ = 402424330199 is a prime.

Together with 402424330199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (402424336201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201212165100 + 201212165101.

It is an arithmetic number, because the mean of its divisors is an integer number (201212165101).

Almost surely, 2^402424330201 is an apocalyptic number.

It is an amenable number.

402424330201 is a deficient number, since it is larger than the sum of its proper divisors (1).

402424330201 is an equidigital number, since it uses as much as digits as its factorization.

402424330201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402424330201 its reverse (102033424204), we get a palindrome (504457754405).

The spelling of 402424330201 in words is "four hundred two billion, four hundred twenty-four million, three hundred thirty thousand, two hundred one".