489677249519 has 4 divisors (see below), whose sum is σ = 489912334296. Its totient is φ = 489442164744.

The previous prime is 489677249507. The next prime is 489677249543. The reversal of 489677249519 is 915942776984.

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

It is a cyclic number.

It is not a de Polignac number, because 489677249519 - 2³² = 485382282223 is a prime.

It is a super-2 number, since 2×489677249519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489677249419) 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, 117539264 + ... + 117543429.

It is an arithmetic number, because the mean of its divisors is an integer number (122478083574).

Almost surely, 2^489677249519 is an apocalyptic number.

489677249519 is a deficient number, since it is larger than the sum of its proper divisors (235084777).

489677249519 is a wasteful number, since it uses less digits than its factorization.

489677249519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235084776.

The product of its digits is 274337280, while the sum is 71.

The spelling of 489677249519 in words is "four hundred eighty-nine billion, six hundred seventy-seven million, two hundred forty-nine thousand, five hundred nineteen".