869331709239 has 64 divisors (see below), whose sum is σ = 1453295831040. Its totient is φ = 450698895360.

The previous prime is 869331709219. The next prime is 869331709241. The reversal of 869331709239 is 932907133968.

869331709239 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 869331709239 - 2⁷ = 869331709111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869331709219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6466207 + ... + 6599279.

It is an arithmetic number, because the mean of its divisors is an integer number (22707747360).

Almost surely, 2^869331709239 is an apocalyptic number.

869331709239 is a deficient number, since it is larger than the sum of its proper divisors (583964121801).

869331709239 is a wasteful number, since it uses less digits than its factorization.

869331709239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133760.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 869331709239 in words is "eight hundred sixty-nine billion, three hundred thirty-one million, seven hundred nine thousand, two hundred thirty-nine".