655179913 has 4 divisors (see below), whose sum is σ = 655893760. Its totient is φ = 654466068.

The previous prime is 655179901. The next prime is 655179929. The reversal of 655179913 is 319971556.

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 655179913 - 2⁹ = 655179401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655176913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355545 + ... + 357382.

It is an arithmetic number, because the mean of its divisors is an integer number (163973440).

Almost surely, 2^655179913 is an apocalyptic number.

It is an amenable number.

655179913 is a deficient number, since it is larger than the sum of its proper divisors (713847).

655179913 is an equidigital number, since it uses as much as digits as its factorization.

655179913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713846.

The product of its digits is 255150, while the sum is 46.

The square root of 655179913 is about 25596.4824341158. The cubic root of 655179913 is about 868.5340676314.

The spelling of 655179913 in words is "six hundred fifty-five million, one hundred seventy-nine thousand, nine hundred thirteen".