867421200422969 has 2 divisors, whose sum is σ = 867421200422970. Its totient is φ = 867421200422968.

The previous prime is 867421200422911. The next prime is 867421200422981. The reversal of 867421200422969 is 969224002124768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665090831316025 + 202330369106944 = 25789355^2 + 14224288^2 .

It is a cyclic number.

It is not a de Polignac number, because 867421200422969 - 2⁴⁰ = 866321688795193 is a prime.

It is a super-2 number, since 2×867421200422969² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (867421205422969) 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, 433710600211484 + 433710600211485.

It is an arithmetic number, because the mean of its divisors is an integer number (433710600211485).

Almost surely, 2^{867421200422969} is an apocalyptic number.

It is an amenable number.

867421200422969 is a deficient number, since it is larger than the sum of its proper divisors (1).

867421200422969 is an equidigital number, since it uses as much as digits as its factorization.

867421200422969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 867421200422969 in words is "eight hundred sixty-seven trillion, four hundred twenty-one billion, two hundred million, four hundred twenty-two thousand, nine hundred sixty-nine".