3636489464 has 8 divisors (see below), whose sum is σ = 6818417760. Its totient is φ = 1818244728.

The previous prime is 3636489457. The next prime is 3636489473. The reversal of 3636489464 is 4649846363.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 227280584 + ... + 227280599.

It is an arithmetic number, because the mean of its divisors is an integer number (852302220).

Almost surely, 2^3636489464 is an apocalyptic number.

It is an amenable number.

3636489464 is a deficient number, since it is larger than the sum of its proper divisors (3181928296).

3636489464 is a wasteful number, since it uses less digits than its factorization.

3636489464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454561189 (or 454561185 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 53.

The square root of 3636489464 is about 60303.3122141728. The cubic root of 3636489464 is about 1537.7796563062.

The spelling of 3636489464 in words is "three billion, six hundred thirty-six million, four hundred eighty-nine thousand, four hundred sixty-four".