585517198949 has 4 divisors (see below), whose sum is σ = 604404850560. Its totient is φ = 566629547340.

The previous prime is 585517198913. The next prime is 585517198967. The reversal of 585517198949 is 949891715585.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 585517198949 - 2¹² = 585517194853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (585517198969) 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, 9443825759 + ... + 9443825820.

It is an arithmetic number, because the mean of its divisors is an integer number (151101212640).

Almost surely, 2^585517198949 is an apocalyptic number.

It is an amenable number.

585517198949 is a deficient number, since it is larger than the sum of its proper divisors (18887651611).

585517198949 is a wasteful number, since it uses less digits than its factorization.

585517198949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887651610.

The product of its digits is 163296000, while the sum is 71.

The spelling of 585517198949 in words is "five hundred eighty-five billion, five hundred seventeen million, one hundred ninety-eight thousand, nine hundred forty-nine".