402334343291 has 2 divisors, whose sum is σ = 402334343292. Its totient is φ = 402334343290.

The previous prime is 402334343209. The next prime is 402334343321. The reversal of 402334343291 is 192343433204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402334343291 is a prime.

It is not a weakly prime, because it can be changed into another prime (402334043291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201167171645 + 201167171646.

It is an arithmetic number, because the mean of its divisors is an integer number (201167171646).

Almost surely, 2^402334343291 is an apocalyptic number.

402334343291 is a deficient number, since it is larger than the sum of its proper divisors (1).

402334343291 is an equidigital number, since it uses as much as digits as its factorization.

402334343291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 38.

Adding to 402334343291 its reverse (192343433204), we get a palindrome (594677776495).

The spelling of 402334343291 in words is "four hundred two billion, three hundred thirty-four million, three hundred forty-three thousand, two hundred ninety-one".