655713308439 has 24 divisors (see below), whose sum is σ = 1100192411552. Its totient is φ = 368550803520.

The previous prime is 655713308423. The next prime is 655713308477. The reversal of 655713308439 is 934803317556.

655713308439 is a `hidden beast` number, since 6 + 5 + 571 + 3 + 30 + 8 + 4 + 39 = 666.

It is not a de Polignac number, because 655713308439 - 2⁴ = 655713308423 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655713303439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85308844 + ... + 85316529.

Almost surely, 2^655713308439 is an apocalyptic number.

655713308439 is a deficient number, since it is larger than the sum of its proper divisors (444479103113).

655713308439 is a wasteful number, since it uses less digits than its factorization.

655713308439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170625447 (or 170625444 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 655713308439 in words is "six hundred fifty-five billion, seven hundred thirteen million, three hundred eight thousand, four hundred thirty-nine".