869343552019 has 2 divisors, whose sum is σ = 869343552020. Its totient is φ = 869343552018.

The previous prime is 869343551959. The next prime is 869343552041. The reversal of 869343552019 is 910255343968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 869343552019 - 2¹⁹ = 869343027731 is a prime.

It is a super-2 number, since 2×869343552019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (869343552079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434671776009 + 434671776010.

It is an arithmetic number, because the mean of its divisors is an integer number (434671776010).

Almost surely, 2^869343552019 is an apocalyptic number.

869343552019 is a deficient number, since it is larger than the sum of its proper divisors (1).

869343552019 is an equidigital number, since it uses as much as digits as its factorization.

869343552019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 869343552019 in words is "eight hundred sixty-nine billion, three hundred forty-three million, five hundred fifty-two thousand, nineteen".