489217191495 has 64 divisors (see below), whose sum is σ = 807091568640. Its totient is φ = 252946032768.

The previous prime is 489217191403. The next prime is 489217191611. The reversal of 489217191495 is 594191712984.

It is not a de Polignac number, because 489217191495 - 2¹⁶ = 489217125959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21105402 + ... + 21128568.

It is an arithmetic number, because the mean of its divisors is an integer number (12610805760).

Almost surely, 2^489217191495 is an apocalyptic number.

489217191495 is a deficient number, since it is larger than the sum of its proper divisors (317874377145).

489217191495 is a wasteful number, since it uses less digits than its factorization.

489217191495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23564.

The product of its digits is 6531840, while the sum is 60.

The spelling of 489217191495 in words is "four hundred eighty-nine billion, two hundred seventeen million, one hundred ninety-one thousand, four hundred ninety-five".