402550131051443 has 2 divisors, whose sum is σ = 402550131051444. Its totient is φ = 402550131051442.

The previous prime is 402550131051427. The next prime is 402550131051463. The reversal of 402550131051443 is 344150131055204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402550131051443 - 2⁴ = 402550131051427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402550131051397 and 402550131051406.

It is not a weakly prime, because it can be changed into another prime (402550131051463) 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, 201275065525721 + 201275065525722.

It is an arithmetic number, because the mean of its divisors is an integer number (201275065525722).

Almost surely, 2^{402550131051443} is an apocalyptic number.

402550131051443 is a deficient number, since it is larger than the sum of its proper divisors (1).

402550131051443 is an equidigital number, since it uses as much as digits as its factorization.

402550131051443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 402550131051443 in words is "four hundred two trillion, five hundred fifty billion, one hundred thirty-one million, fifty-one thousand, four hundred forty-three".