505963357845 has 16 divisors (see below), whose sum is σ = 883136043072. Its totient is φ = 245315567360.

The previous prime is 505963357843. The next prime is 505963357853. The reversal of 505963357845 is 548753369505.

It is not a de Polignac number, because 505963357845 - 2¹ = 505963357843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505963357843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533222132 + ... + 1533222461.

It is an arithmetic number, because the mean of its divisors is an integer number (55196002692).

Almost surely, 2^505963357845 is an apocalyptic number.

505963357845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505963357845 is a deficient number, since it is larger than the sum of its proper divisors (377172685227).

505963357845 is a wasteful number, since it uses less digits than its factorization.

505963357845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066444612.

The product of its (nonzero) digits is 68040000, while the sum is 60.

The spelling of 505963357845 in words is "five hundred five billion, nine hundred sixty-three million, three hundred fifty-seven thousand, eight hundred forty-five".