655390552319 has 8 divisors (see below), whose sum is σ = 658029775728. Its totient is φ = 652755438720.

The previous prime is 655390552303. The next prime is 655390552321. The reversal of 655390552319 is 913255093556.

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 655390552319 - 2⁴ = 655390552303 is a prime.

It is a super-2 number, since 2×655390552319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655890552319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707672 + ... + 1345949.

It is an arithmetic number, because the mean of its divisors is an integer number (82253721966).

Almost surely, 2^655390552319 is an apocalyptic number.

655390552319 is a deficient number, since it is larger than the sum of its proper divisors (2639223409).

655390552319 is a wasteful number, since it uses less digits than its factorization.

655390552319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054905.

The product of its (nonzero) digits is 5467500, while the sum is 53.

The spelling of 655390552319 in words is "six hundred fifty-five billion, three hundred ninety million, five hundred fifty-two thousand, three hundred nineteen".