655492701971 has 8 divisors (see below), whose sum is σ = 667306512000. Its totient is φ = 643777752640.

The previous prime is 655492701947. The next prime is 655492701977. The reversal of 655492701971 is 179107294556.

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 655492701971 - 2¹⁴ = 655492685587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655492701977) 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, 24701795 + ... + 24728316.

It is an arithmetic number, because the mean of its divisors is an integer number (83413314000).

Almost surely, 2^655492701971 is an apocalyptic number.

655492701971 is a deficient number, since it is larger than the sum of its proper divisors (11813810029).

655492701971 is a wasteful number, since it uses less digits than its factorization.

655492701971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49430349.

The product of its (nonzero) digits is 4762800, while the sum is 56.

The spelling of 655492701971 in words is "six hundred fifty-five billion, four hundred ninety-two million, seven hundred one thousand, nine hundred seventy-one".