402862821872443 has 2 divisors, whose sum is σ = 402862821872444. Its totient is φ = 402862821872442.

The previous prime is 402862821872431. The next prime is 402862821872513. The reversal of 402862821872443 is 344278128268204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402862821872443 - 2¹⁷ = 402862821741371 is a prime.

It is not a weakly prime, because it can be changed into another prime (402862821872243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201431410936221 + 201431410936222.

It is an arithmetic number, because the mean of its divisors is an integer number (201431410936222).

Almost surely, 2^{402862821872443} is an apocalyptic number.

402862821872443 is a deficient number, since it is larger than the sum of its proper divisors (1).

402862821872443 is an equidigital number, since it uses as much as digits as its factorization.

402862821872443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66060288, while the sum is 61.

The spelling of 402862821872443 in words is "four hundred two trillion, eight hundred sixty-two billion, eight hundred twenty-one million, eight hundred seventy-two thousand, four hundred forty-three".