655363945 has 8 divisors (see below), whose sum is σ = 791146944. Its totient is φ = 521151024.

The previous prime is 655363937. The next prime is 655363981. The reversal of 655363945 is 549363556.

It is a happy number.

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 655363945 - 2³ = 655363937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655363895 and 655363904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391599 + ... + 393268.

It is an arithmetic number, because the mean of its divisors is an integer number (98893368).

Almost surely, 2^655363945 is an apocalyptic number.

It is an amenable number.

655363945 is a deficient number, since it is larger than the sum of its proper divisors (135782999).

655363945 is a wasteful number, since it uses less digits than its factorization.

655363945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785039.

The product of its digits is 1458000, while the sum is 46.

The square root of 655363945 is about 25600.0770506653. The cubic root of 655363945 is about 868.6153802069.

The spelling of 655363945 in words is "six hundred fifty-five million, three hundred sixty-three thousand, nine hundred forty-five".