489702219897 has 16 divisors (see below), whose sum is σ = 713939179968. Its totient is φ = 296103790080.

The previous prime is 489702219887. The next prime is 489702219899. The reversal of 489702219897 is 798912207984.

It is not a de Polignac number, because 489702219897 - 2⁶ = 489702219833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489702219899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17121348 + ... + 17149925.

It is an arithmetic number, because the mean of its divisors is an integer number (44621198748).

Almost surely, 2^489702219897 is an apocalyptic number.

It is an amenable number.

489702219897 is a deficient number, since it is larger than the sum of its proper divisors (224236960071).

489702219897 is a wasteful number, since it uses less digits than its factorization.

489702219897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34271720.

The product of its (nonzero) digits is 36578304, while the sum is 66.

The spelling of 489702219897 in words is "four hundred eighty-nine billion, seven hundred two million, two hundred nineteen thousand, eight hundred ninety-seven".