869339619720993 has 32 divisors (see below), whose sum is σ = 1170202601779200. Its totient is φ = 574022312755200.

The previous prime is 869339619720977. The next prime is 869339619721039. The reversal of 869339619720993 is 399027916933968.

It is a happy number.

It is not a de Polignac number, because 869339619720993 - 2⁴ = 869339619720977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869339619722993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11207268513 + ... + 11207346081.

It is an arithmetic number, because the mean of its divisors is an integer number (36568831305600).

Almost surely, 2^{869339619720993} is an apocalyptic number.

It is an amenable number.

869339619720993 is a deficient number, since it is larger than the sum of its proper divisors (300862982058207).

869339619720993 is a wasteful number, since it uses less digits than its factorization.

869339619720993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90393.

The product of its (nonzero) digits is 6428310336, while the sum is 84.

The spelling of 869339619720993 in words is "eight hundred sixty-nine trillion, three hundred thirty-nine billion, six hundred nineteen million, seven hundred twenty thousand, nine hundred ninety-three".