869337820853 has 4 divisors (see below), whose sum is σ = 875592049920. Its totient is φ = 863083591788.

The previous prime is 869337820759. The next prime is 869337820861. The reversal of 869337820853 is 358028733968.

869337820853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 869337820853 - 2⁸ = 869337820597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869337850853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3127114325 + ... + 3127114602.

It is an arithmetic number, because the mean of its divisors is an integer number (218898012480).

Almost surely, 2^869337820853 is an apocalyptic number.

It is an amenable number.

869337820853 is a deficient number, since it is larger than the sum of its proper divisors (6254229067).

869337820853 is a wasteful number, since it uses less digits than its factorization.

869337820853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254229066.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 869337820853 in words is "eight hundred sixty-nine billion, three hundred thirty-seven million, eight hundred twenty thousand, eight hundred fifty-three".