505055050491 has 8 divisors (see below), whose sum is σ = 673413235264. Its totient is φ = 336700116360.

The previous prime is 505055050471. The next prime is 505055050519. The reversal of 505055050491 is 194050550505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505055050491 - 2¹³ = 505055042299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505055050411) 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, 423505 + ... + 1090626.

It is an arithmetic number, because the mean of its divisors is an integer number (84176654408).

Almost surely, 2^505055050491 is an apocalyptic number.

505055050491 is a deficient number, since it is larger than the sum of its proper divisors (168358184773).

505055050491 is a wasteful number, since it uses less digits than its factorization.

505055050491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625321.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 505055050491 in words is "five hundred five billion, fifty-five million, fifty thousand, four hundred ninety-one".