52386190491 has 4 divisors (see below), whose sum is σ = 69848253992. Its totient is φ = 34924126992.

The previous prime is 52386190481. The next prime is 52386190513. The reversal of 52386190491 is 19409168325.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52386190491 - 2¹⁰ = 52386189467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52386190491.

It is not an unprimeable number, because it can be changed into a prime (52386190481) 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 3 ways as a sum of consecutive naturals, for example, 8731031746 + ... + 8731031751.

It is an arithmetic number, because the mean of its divisors is an integer number (17462063498).

Almost surely, 2^52386190491 is an apocalyptic number.

52386190491 is a deficient number, since it is larger than the sum of its proper divisors (17462063501).

52386190491 is a wasteful number, since it uses less digits than its factorization.

52386190491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17462063500.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 52386190491 in words is "fifty-two billion, three hundred eighty-six million, one hundred ninety thousand, four hundred ninety-one".