489503481634 has 32 divisors (see below), whose sum is σ = 747661590000. Its totient is φ = 240331843584.

The previous prime is 489503481619. The next prime is 489503481703. The reversal of 489503481634 is 436184305984.

It can be written as a sum of positive squares in 8 ways, for example, as 32344943409 + 457158538225 = 179847^2 + 676135^2 .

It is a super-2 number, since 2×489503481634² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13080502 + ... + 13117870.

Almost surely, 2^489503481634 is an apocalyptic number.

489503481634 is a deficient number, since it is larger than the sum of its proper divisors (258158108366).

489503481634 is a wasteful number, since it uses less digits than its factorization.

489503481634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38022.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 489503481634 in words is "four hundred eighty-nine billion, five hundred three million, four hundred eighty-one thousand, six hundred thirty-four".