869964449455 has 16 divisors (see below), whose sum is σ = 1048648718880. Its totient is φ = 692844743808.

The previous prime is 869964449449. The next prime is 869964449461. The reversal of 869964449455 is 554944469968.

It is an interprime number because it is at equal distance from previous prime (869964449449) and next prime (869964449461).

It is a cyclic number.

It is not a de Polignac number, because 869964449455 - 2¹⁹ = 869963925167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9909784 + ... + 9997186.

It is an arithmetic number, because the mean of its divisors is an integer number (65540544930).

Almost surely, 2^869964449455 is an apocalyptic number.

869964449455 is a deficient number, since it is larger than the sum of its proper divisors (178684269425).

869964449455 is a wasteful number, since it uses less digits than its factorization.

869964449455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96330.

The product of its digits is 1343692800, while the sum is 73.

The spelling of 869964449455 in words is "eight hundred sixty-nine billion, nine hundred sixty-four million, four hundred forty-nine thousand, four hundred fifty-five".