655263659 has 8 divisors (see below), whose sum is σ = 696582480. Its totient is φ = 614628000.

The previous prime is 655263571. The next prime is 655263677. The reversal of 655263659 is 956362556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655263659 - 2¹⁶ = 655198123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655233659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168812 + ... + 172649.

It is an arithmetic number, because the mean of its divisors is an integer number (87072810).

Almost surely, 2^655263659 is an apocalyptic number.

655263659 is a deficient number, since it is larger than the sum of its proper divisors (41318821).

655263659 is a wasteful number, since it uses less digits than its factorization.

655263659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341581.

The product of its digits is 1458000, while the sum is 47.

The square root of 655263659 is about 25598.1182706854. The cubic root of 655263659 is about 868.5710717956.

The spelling of 655263659 in words is "six hundred fifty-five million, two hundred sixty-three thousand, six hundred fifty-nine".