487549291319 has 4 divisors (see below), whose sum is σ = 497922680544. Its totient is φ = 477175902096.

The previous prime is 487549291297. The next prime is 487549291363. The reversal of 487549291319 is 913192945784.

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

It is a de Polignac number, because none of the positive numbers 2^k-487549291319 is a prime.

It is a super-3 number, since 3×487549291319³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487549294319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5186694542 + ... + 5186694635.

It is an arithmetic number, because the mean of its divisors is an integer number (124480670136).

Almost surely, 2^487549291319 is an apocalyptic number.

487549291319 is a deficient number, since it is larger than the sum of its proper divisors (10373389225).

487549291319 is a wasteful number, since it uses less digits than its factorization.

487549291319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10373389224.

The product of its digits is 19595520, while the sum is 62.

The spelling of 487549291319 in words is "four hundred eighty-seven billion, five hundred forty-nine million, two hundred ninety-one thousand, three hundred nineteen".