869248641 has 8 divisors (see below), whose sum is σ = 1227174624. Its totient is φ = 545410880.

The previous prime is 869248631. The next prime is 869248643. The reversal of 869248641 is 146842968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 869248641 - 2⁵ = 869248609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869248643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8521995 + ... + 8522096.

It is an arithmetic number, because the mean of its divisors is an integer number (153396828).

Almost surely, 2^869248641 is an apocalyptic number.

It is an amenable number.

869248641 is a deficient number, since it is larger than the sum of its proper divisors (357925983).

869248641 is a wasteful number, since it uses less digits than its factorization.

869248641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17044111.

The product of its digits is 663552, while the sum is 48.

The square root of 869248641 is about 29483.0229284583. The cubic root of 869248641 is about 954.3653727957.

The spelling of 869248641 in words is "eight hundred sixty-nine million, two hundred forty-eight thousand, six hundred forty-one".