402434343611 has 2 divisors, whose sum is σ = 402434343612. Its totient is φ = 402434343610.

The previous prime is 402434343583. The next prime is 402434343629. The reversal of 402434343611 is 116343434204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402434343611 is a prime.

It is not a weakly prime, because it can be changed into another prime (402434345611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201217171805 + 201217171806.

It is an arithmetic number, because the mean of its divisors is an integer number (201217171806).

Almost surely, 2^402434343611 is an apocalyptic number.

402434343611 is a deficient number, since it is larger than the sum of its proper divisors (1).

402434343611 is an equidigital number, since it uses as much as digits as its factorization.

402434343611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 402434343611 its reverse (116343434204), we get a palindrome (518777777815).

The spelling of 402434343611 in words is "four hundred two billion, four hundred thirty-four million, three hundred forty-three thousand, six hundred eleven".