655980900379 has 32 divisors (see below), whose sum is σ = 806272358400. Its totient is φ = 520915000320.

The previous prime is 655980900331. The next prime is 655980900439. The reversal of 655980900379 is 973009089556.

It is a cyclic number.

It is not a de Polignac number, because 655980900379 - 2⁷ = 655980900251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655980900329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3006327 + ... + 3217135.

It is an arithmetic number, because the mean of its divisors is an integer number (25196011200).

Almost surely, 2^655980900379 is an apocalyptic number.

655980900379 is a deficient number, since it is larger than the sum of its proper divisors (150291458021).

655980900379 is a wasteful number, since it uses less digits than its factorization.

655980900379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211243.

The product of its (nonzero) digits is 18370800, while the sum is 61.

The spelling of 655980900379 in words is "six hundred fifty-five billion, nine hundred eighty million, nine hundred thousand, three hundred seventy-nine".