505708745468 has 6 divisors (see below), whose sum is σ = 884990304576. Its totient is φ = 252854372732.

The previous prime is 505708745467. The next prime is 505708745473. The reversal of 505708745468 is 864547807505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505708745461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63213593180 + ... + 63213593187.

It is an arithmetic number, because the mean of its divisors is an integer number (147498384096).

Almost surely, 2^505708745468 is an apocalyptic number.

It is an amenable number.

505708745468 is a deficient number, since it is larger than the sum of its proper divisors (379281559108).

505708745468 is a wasteful number, since it uses less digits than its factorization.

505708745468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126427186371 (or 126427186369 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 59.

The spelling of 505708745468 in words is "five hundred five billion, seven hundred eight million, seven hundred forty-five thousand, four hundred sixty-eight".