489188902 has 4 divisors (see below), whose sum is σ = 733783356. Its totient is φ = 244594450.

The previous prime is 489188899. The next prime is 489188911. The reversal of 489188902 is 209881984.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122297224 + ... + 122297227.

It is an arithmetic number, because the mean of its divisors is an integer number (183445839).

Almost surely, 2^489188902 is an apocalyptic number.

489188902 is a deficient number, since it is larger than the sum of its proper divisors (244594454).

489188902 is a wasteful number, since it uses less digits than its factorization.

489188902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244594453.

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 489188902 is about 22117.6151969420. The cubic root of 489188902 is about 787.9382773080.

The spelling of 489188902 in words is "four hundred eighty-nine million, one hundred eighty-eight thousand, nine hundred two".