655464313516523 has 12 divisors (see below), whose sum is σ = 762479380065312. Its totient is φ = 561826197258480.

The previous prime is 655464313516447. The next prime is 655464313516553. The reversal of 655464313516523 is 325615313464556.

It is not a de Polignac number, because 655464313516523 - 2⁴² = 651066267005419 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (655464313516553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98868533 + ... + 105289673.

It is an arithmetic number, because the mean of its divisors is an integer number (63539948338776).

Almost surely, 2^{655464313516523} is an apocalyptic number.

655464313516523 is a deficient number, since it is larger than the sum of its proper divisors (107015066548789).

655464313516523 is a wasteful number, since it uses less digits than its factorization.

655464313516523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504402 (or 8504395 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 59.

The spelling of 655464313516523 in words is "six hundred fifty-five trillion, four hundred sixty-four billion, three hundred thirteen million, five hundred sixteen thousand, five hundred twenty-three".