869940221343 has 16 divisors (see below), whose sum is σ = 1200284774400. Its totient is φ = 559790148960.

The previous prime is 869940221333. The next prime is 869940221347. The reversal of 869940221343 is 343122049968.

It is not a de Polignac number, because 869940221343 - 2⁴ = 869940221327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869940221347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243903 + ... + 1813056.

It is an arithmetic number, because the mean of its divisors is an integer number (75017798400).

Almost surely, 2^869940221343 is an apocalyptic number.

869940221343 is a deficient number, since it is larger than the sum of its proper divisors (330344553057).

869940221343 is a wasteful number, since it uses less digits than its factorization.

869940221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060262.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 869940221343 in words is "eight hundred sixty-nine billion, nine hundred forty million, two hundred twenty-one thousand, three hundred forty-three".