867449435843 has 2 divisors, whose sum is σ = 867449435844. Its totient is φ = 867449435842.

The previous prime is 867449435813. The next prime is 867449435857. The reversal of 867449435843 is 348534944768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 867449435843 - 2¹² = 867449431747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 867449435843.

It is not a weakly prime, because it can be changed into another prime (867449435813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433724717921 + 433724717922.

It is an arithmetic number, because the mean of its divisors is an integer number (433724717922).

Almost surely, 2^867449435843 is an apocalyptic number.

867449435843 is a deficient number, since it is larger than the sum of its proper divisors (1).

867449435843 is an equidigital number, since it uses as much as digits as its factorization.

867449435843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 278691840, while the sum is 65.

The spelling of 867449435843 in words is "eight hundred sixty-seven billion, four hundred forty-nine million, four hundred thirty-five thousand, eight hundred forty-three".